PUBLICATION LIST

Preprints:

  1. P. Christen and O. Del Fabbro. Automatic Programming of Cellular Automata and Artificial Neural Networks Guided by Philosophy. arXiv:1905.04232 [cs.AI], 2019.
  2. P. Christen and O. Del Fabbro. Cybernetical Concepts for Cellular Automaton and Artificial Neural Network Modelling and Implementation. arXiv:2001.02037 [cs.OH], 2019.
  3. P. Christen and O. Del Fabbro. Philosophy-Guided Mathematical Formalism for Complex Systems Modelling. arXiv:2005.01192 [cs.NE], 2020.
  4. O. Del Fabbro and P. Christen. Philosophy-Guided Modelling and Implementation of Adaptation and Control in Complex Systems. arXiv:2009.00110 [cs.NE], 2020.
  5. S. Fix, T. Probst, O. Ruggli, T. Hanne, and P. Christen. Open-Ended Automatic Programming Through Combinatorial Evolution. arXiv:2102.10475 [cs.SE], 2021.
  6. P. Christen. Self-Modifying Code in Open-Ended Evolutionary Systems. arXiv:2201.06858 [cs.NE], 2022.
  7. P. Christen. Curb Your Self-Modifying Code. arXiv:2202.13830 [cs.SE], 2022.
  8. P. Christen. Programming Data Structures for Large-Scale Desktop Simulations of Complex Systems. arXiv:2205.04837 [cs.DS], 2022.

Conference Full Papers:

  1. P. Christen and O. Del Fabbro. Cybernetical Concepts for Cellular Automaton and Artificial Neural Network Modelling and Implementation. 2019 IEEE International Conference on Systems, Man and Cybernetics (IEEE SMC), 4124-4130, 2019. arXiv:2001.02037 [cs.OH].
  2. P. Schmidt, M. Lehner, and P. Christen. Enhance reflection skills with social video learning. ETH Learning and Teaching Journal, 2(2):113-118, 2020.
  3. P. Christen. Modelling and Implementing Open-Ended Evolutionary Systems. The Fourth Workshop on Open-Ended Evolution (OEE4), The 2021 Conference on Artificial Life (ALife 2021), 2021. arXiv:2201.06858v1 [cs.NE].
  4. S. Fix, T. Probst, O. Ruggli, T. Hanne, and P. Christen. Open-Ended Automatic Programming Through Combinatorial Evolution. In: A. Abraham, N. Gandhi, T. Hanne, T.-P. Hong, T. Nogueira Rios, W. Ding (eds) Intelligent Systems Design and Applications. ISDA 2021. Lecture Notes in Networks and Systems, vol 418. Springer, Cham, 2022. arXiv:2102.1047v3 [cs.SE].
  5. T. Inglese, L. E. Fässler, and P. Christen. "I show you how I solved it!". 4th EAI International Conference on Multimedia Technology and Enhanced Learning (EAI ICMTEL), 2022.
  6. O. Del Fabbro and P. Christen. Philosophy-Guided Modelling and Implementation of Adaptation and Control in Complex Systems. International Joint Conference on Neural Networks (IJCNN), 1-8, 2022. arXiv:2009.00110 [cs.NE].
  7. P. Christen. Programming Data Structures for Large-Scale Desktop Simulations of Complex Systems. 2022 IEEE International Conference on Systems, Man and Cybernetics (IEEE SMC), 3000-3005, 2022. arXiv:2205.04837 [cs.DS].
  8. P. Christen and O. Del Fabbro. Philosophy-Guided Mathematical Formalism for Complex Systems Modelling. 2022 IEEE International Conference on Systems, Man and Cybernetics (IEEE SMC), 2229-2236, 2022. arXiv:2005.01192 [cs.NE].
  9. P. Christen. Curb Your Self-Modifying Code. 2022 IEEE International Conference on Systems, Man and Cybernetics (IEEE SMC), 2607-2612, 2022. arXiv:2202.13830 [cs.SE].
  10. C. Kaufmann, T. Schmiedel, and P. Christen. Using Generative Artificial Intelligence in University Teaching. 23th International Conference on Intelligent Systems Design and Applications (ISDA), 11-13 December, 2023.

Journal Publications:

  1. P. Christen, B. van Rietbergen, F. M. Lambers, R. Müller, and K. Ito. Bone morphology allows estimation of loading history in a murine model of bone adaptation. Biomechanics and Modeling in Mechanobiology, 11(3-4):483-492, 2012.
  2. P. Christen, K. Ito, R. Müller, M. R. Rubin, D. W. Dempster, J. P. Bilezikian, and B. van Rietbergen. Patient-specific bone modelling and remodelling simulation of hypoparathyroidism based on human iliac crest biopsies. Journal of Biomechanics, 45(14):2411-2416, 2012.
  3. P. Christen, K. Ito, I. Knippels, R. Müller, G. H. van Lenthe, and B. van Rietbergen. Subject-specific bone loading estimation in the human distal radius. Journal of Biomechanics, 46(4):759-766, 2013.
  4. P. Christen, K. Ito, A. A. Dos Santos, R. Müller, and B. van Rietbergen. Validation of a bone loading estimation algorithm for patient-specific bone remodeling simulations. Journal of Biomechanics, 46(5):941-948, 2013.
  5. R. Ellouz, R. Chapurlat, B. van Rietbergen, P. Christen, J. B. Pialat, and S. Boutroy. Challenges in longitudinal measurements with HR-pQCT: Evaluation of 3D registration method to improve bone microarchitecture and strength reproducibility. Bone, 63:147-157, 2014.
  6. P. Christen, K. Ito, F. Galis, and B. van Rietbergen. Determination of hip-joint loading patterns of living and extinct mammals using an inverse Wolff's law approach. Biomechanics and Modeling in Mechanobiology, 14(2):427-432, 2015.
  7. P. Christen, K. Ito, R. Ellouz, S. Boutroy, E. Sornay-Rendu, R. D. Chapurlat, and B. van Rietbergen. Bone remodelling in humans is load-driven but not lazy. Nature Communications, 5:4855, doi:10.1038/ncomms5855, 2014.
  8. P. Christen, K. Ito, and B. van Rietbergen. A potential mechanism for allometric trabecular bone scaling in terrestrial mammals. Journal of Anatomy, 226(3):236-243, 2015.
  9. P. Christen, F. A. Schulte, A. Zwahlen, B. van Rietbergen, S. Boutroy, L. J. Melton III, S. Amin, S. Khosla, J. Goldhahn, and R. Müller. Voxel size dependency, reproducibility, and sensitivity of an in vivo bone loading estimation algorithm. Journal of The Royal Society Interface, 13(114), doi:10.1098/rsif.2015.0991, 2016.
  10. S. D. Badilatti, P. Christen, A. Levchuk, J. H. Marangalou, B. van Rietbergen, and R. Müller. Large-scale microstructural simulation of load-adaptive bone remodeling in whole human vertebrae. Biomechanics and Modeling in Mechanobiology, 15(1):83-95, 2016.
  11. N. Ohs, F. Keller, O. Blank, W.-Y. W. Lee, C.-Y. J. Cheng, P. Arbenz, R. Müller, and P. Christen. Towards in silico prognosis using big data. Current Directions in Biomedical Engineering, 2(1):57-60, 2016.
  12. S. D. Badilatti, P. Christen, I. Parkinson, and R. Müller. Load-adaptive bone remodeling simulations reveal osteoporotic microstructural and mechanical changes in whole human vertebrae. Journal of Biomechanics, 49(16):3770-3779, 2016.
  13. S. D. Badilatti, P. Christen, Stephen J. Ferguson, and R. Müller. Computational modeling of long-term effects of prophylactic vertebroplasty on bone adaptation. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 231(5):423-431, 2017.
  14. J. A. Steiner, P. Christen, R. Affentranger, S. J. Ferguson, and G. H. van Lenthe. A novel in silico method to quantify primary stability of screws in trabecular bone. Journal of Orthopaedic Research, 35(11):2415-2424, 2017.
  15. J. J. A. de Jong, P. Christen, S. Boutroy, P. P. Geusens, J. P. W. van den Bergh, R. Müller, and B. van Rietbergen. Feasibility of rigid 3D image registration of high-resolution peripheral quantitative computed tomography images of healing distal radius fractures. PLOS ONE, 12(7), 2017.
  16. P. Christen, S. Boutroy, R. Ellouz, R. Chapurlat, and B. van Rietbergen. Least-detectable and age-related local in vivo bone remodelling assessed by time-lapse HR-pQCT. PLOS ONE, 13(1), 2018.
  17. J. A. Steiner, U. Hofmann, P. Christen, J. Favre, S. J. Ferguson, and G. H. van Lenthe. Patient-specific in silico models can quantify primary implant stability in elderly human bone. Journal of Orthopaedic Research, 36(3):954-962, 2018.
  18. F. A. Schulte, P. Christen, S. D. Badilatti, I. Parkinson, S. Khosla, J. Goldhahn, and R. Müller. Virtual supersampling as post-processing step preserves the trabecular bone morphometry in human peripheral quantitative computed tomography scans. PLOS ONE, 2019.
  19. D. C. Tourolle né Betts, E. Wehrle, G. Paul, G. Kuhn, P. Christen, S. Hofmann, and R. Müller. The association between mineralised tissue formation and the mechanical local in vivo environment: Time-lapsed quantification of a mouse defect healing model. Scientific Reports, 10(1100), 2020.
  20. L. Engelhardt, M. Melzner, L. Havelkova, P. Fiala, P. Christen, S. Dendorfer, and U. Simon. A new musculoskeletal AnyBodyTM detailed hand model. Computer Methods in Biomechanics and Biomedical Engineering, 24(7):777-787, 2021.
  21. J. Zhang, Y. Wang, K. L. Cheng, K. Cheuk, T. P. Lam, A. L. H. Hung, J. C. Y. Cheng, Y. Qiu, R. Müller, P. Christen, and W. Y. W. Lee. Association of higher bone turnover with risk of curve progression in Adolescent Idiopathic Scoliosis. Bone, 143:115655, 2021.
  22. L. Engelhardt, F. Niemeyer, P. Christen, R. Müller, K. Stock, M. Blauth, K. Urban, A. Ignatius, and U. Simon. Simulating metaphyseal fracture healing in the distal radius. Biomechanics, 1(1):29-42, 2021.
  23. N. Ohs, C. J. Collins, D. C. Tourolle né Betts, P. R. Atkins, B. Schroeder, M. Blauth, P. Christen, and R. Müller. Automated segmentation of fractured distal radii by 3D geodesic active contouring of in vivo HR-pQCT images. Bone, 147:115930, 2021.
  24. P. R. Atkins, K. Stock, N. Ohs, C. J. Collins, L. Horling, S. Benedikt, G. Degenhart, K. Lippuner, M. Blauth, P. Christen, and R. Müller. Formation Dominates Resorption With Increasing Mineralized Density and Time Postfracture in Cortical but Not Trabecular Bone: A Longitudinal HRpQCT Imaging Study in the Distal Radius. JBMR Plus, 5(6):e10493, 2021.
  25. S. Fix, T. Probst, O. Ruggli, T. Hanne, and P. Christen. Automatic Programming As An Open-Ended Evolutionary System. International Journal of Computer Information Systems and Industrial Management Applications, 14:204-212, 2022.
  26. P. Christen. System Metamodelling of Open-Ended Evolution Implemented with Self-Modifying Code. Complex Systems, 2023. Accepted.

Reviews and Editorials:

  1. P. Christen and R. Müller. In vivo high-resolution computed tomography assessment of bone remodelling and its mechanoregulation. Current Osteoporosis Reports, 15(4):311-317, 2017.
  2. P. Christen. Moving beyond the genome with computer modelling. Personalized Medicine, 15(3):145-148, 2018.

Book Chapters and Monographs:

  1. P. Christen. Contact mechanics of a discrete fiber-reinforced cartilage model. MSc Thesis, University of Bern, 2009.
  2. P. Christen. Deciphering the secret message within bone microstructure. PhD Thesis, Eindhoven University of Technology, ISBN 978-90-386-3323-7, 2013.
  3. P. Christen and O. Del Fabbro. Automatic Programming of Cellular Automata and Artificial Neural Networks Guided by Philosophy. In: R. Dornberger (eds). New Trends in Business Information Systems and Technology. Studies in Systems, Decision and Control, vol 294. Springer, Cham, 2020. arXiv:1905.04232.
  4. S. Fix, T. Probst, O. Ruggli, T. Hanne, and P. Christen. Open-Ended Automatic Programming Through Combinatorial Evolution. In: Lecture Notes in Networks and Systems, vol 418. Springer, Cham, 2022. arXiv:2102.10475 [cs.SE].
  5. T. Inglese, L. E. Fässler, and P. Christen. “I Show You How I Solved It!”. In: S. H. Wang and Y. D. Zhang (eds). Multimedia Technology and Enhanced Learning. ICMTEL 2022. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 446. Springer, Cham, 2022.

Conference Contributions:

  1. P. Christen, S. J. Ferguson, and S. Chegini. Contact mechanics of a discrete fiber-reinforced cartilage model. IV International Conference on Computational Bioengineering (ICCB), Bertinoro (Forli), Italy, 16-18 September, ISSN 2036-9247, p. 58, 2009.
  2. P. Christen, B. van Rietbergen, F. M. Lambers, R. Müller, and K. Ito. Determination of physiological external loading conditions based on bone morphology. 18th Annual Symposium on Computational Methods in Orthopaedic Biomechanics, New Orleans, Louisiana, USA, 5 March, 2010.
  3. P. Christen, B. van Rietbergen, F. M. Lambers, R. Müller, and K. Ito. Determination of physiological external loading conditions based on bone morphology. 56th Annual Meeting of the Orthopaedic Research Society (ORS), New Orleans, Louisiana, USA, 6-9 March, 35:659, 2010.
  4. P. Christen, B. van Rietbergen, F. M. Lambers, R. Müller, and K. Ito. Determination of physiological external loading conditions based on bone morphology. 17th Congress of the European Society of Biomechanics (ESB), Edinburgh, UK, 5-8 July, 509, 2010.
  5. P. Christen, B. van Rietbergen, F. M. Lambers, R. Müller, and K. Ito. Morphology-based bone loading estimation. 20th Annual Meeting of the Dutch Society for Calcium and Bone Metabolism (NVCB), Zeist, The Netherlands, 11-12 November, 2010.
  6. P. Christen, G. Armbrecht, G. Beller, D. Felsenberg, K. Ito, and B. van Rietbergen. Bone strength loss during long-term bed rest is related to bone loading history. 57th Annual Meeting of the Orthopaedic Research Society (ORS), Long Beach, California, USA, 13-16 January, 36:2257, 2011.
  7. P. Christen, B. van Rietbergen, F. M. Lambers, R. Müller, and K. Ito. Morphology-based bone loading estimation. 3rd Dutch Conference on Bio-Medical Engineering, Egmond aan Zee, The Netherlands, 20-21 January, 232, 2011.
  8. P. Christen, B. van Rietbergen, R. Müller, M. R. Rubin, D. W. Dempster, J. P. Bilezikian, and K. Ito. Altered mechanosensitivity can explain the substantially increased bone mass in hypoparathyroidism. ASME 2011 Summer Bioengineering Conference, Farmington, Pennsylvania, USA, 22-25 June, SBC2011-53485, 2011.
  9. P. Christen, I. Knippels, R. Müller, G. H. Lenthe, K. Ito, and B. van Rietbergen. Bone loading estimation in the human distal radius. 58th Annual Meeting of the Orthopaedic Research Society (ORS), San Francisco, California, USA, 4-7 February, 37:374, 2012.
  10. P. Christen, B. van Rietbergen, R. Müller, M. R. Rubin, D. W. Dempster, J. P. Bilezikian, and K. Ito. Altered mechanosensitivity can explain the substantially increased bone mass in hypoparathyroidism. 58th Annual Meeting of the Orthopaedic Research Society (ORS), San Francisco, California, USA, 4-7 February, 37:1535, 2012.
  11. P. Christen, A. A. dos Santos, B. van Rietbergen, R. Müller, and K. Ito. Validation of a bone loading estimation algorithm for patient-specific bone remodeling simulations. 18th Congress of the European Society of Biomechanics (ESB), Lisbon, Portugal, 1-4 July, 1313, 2012.
  12. P. Christen, B. van Rietbergen, I. Knippels, R. Müller, G. H. van Lenthe, and K. Ito. Determination of physiological loading conditions at the human distal radius. 18th Congress of the European Society of Biomechanics (ESB), Lisbon, Portugal, 1-4 July, 1311, 2012.
  13. B. van Rietbergen, P. Christen, M. Colloca, and K. Ito. Toward a patient-specific simulation of bone remodeling. 6th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS), Vienna, Austria, 10-14 September, 2745, 2012.
  14. P. Christen, R. Ellouz, S. Boutroy, R. Chapurlat, K. Ito, and B. van Rietbergen. Local changes due to bone remodelling are triggered by mechanical loading. Annual Meeting of the American Society for Bone and Mineral Research (ASBMR), Minneapolis, Minnesota, USA, 12-15 October, SA0071, 2012.
  15. M. Colloca, R. Blanchard, P. Christen, C. Hellmich, K. Ito, and B. van Rietbergen. A multiscale approach to describe changes in bone volume fraction due to bone remodeling at the cell level. 59th Annual Meeting of the Orthopaedic Research Society (ORS), San Antonio, Texas, USA, 26-29 January, 38:1489, 2013.
  16. P. Christen, K. Ito, R. Ellouz, S. Boutroy, R. Chapurlat, and B. van Rietbergen. Revealing load-adaptive remodelling in human bone. 59th Annual Meeting of the Orthopaedic Research Society (ORS), San Antonio, Texas, USA, 26-29 January, 38:0345, 2013.
  17. P. Christen, K. Ito, R. Ellouz, S. Boutroy, E. Sornay-Rendu, R. Chapurlat, and B. van Rietbergen. On Wolff's Law in human bone. V International Conference on Computational Bioengineering (ICCB), Leuven, Belgium, 11-13 September, C0012, 2013.
  18. R. Ellouz, R. Chapurlat, B. van Rietbergen, P. Christen, P. Szulc, E. Sornay-Rendu, and S. Boutroy. In vivo local bone remodeling assessed by High Resolution pQCT. 22nd Annual Meeting of the European Orthopaedic Research Society (EORS), Nantes, France, 2-4 July, O19.10, 2014.
  19. P. Christen, S. M. Walker, and G. K. Taylor. Microtomographic reconstruction of the haltere kinematics of the blowfly. 7th World Congress of Biomechanics (WCB), Boston, Massachusetts, USA, 6-11 July, R29, 2014.
  20. S. D. Badilatti, P. Christen, A. Levchuk, I. Parkinson, and R. Müller. Towards simulation of whole bone microstructure adaptation. 7th World Congress of Biomechanics (WCB), Boston, Massachusetts, USA, 6-11 July, M120, 2014.
  21. P. Christen, F. A. Schulte, A. Zwahlen, B. van Rietbergen, L. J. Melton III, S. Amin, S. Khosla, J. Goldhahn, and R. Müller. Reverse engineering estimation of in vivo bone loading history. 20th International Bone Densitometry Workshop (IBDW), Hong Kong, China, 13-17 October, Journal of Orthopaedic Translation, 2:230, 2014.
  22. P. Christen. In silico multiscale simulations of bone remodelling in health, disease and treatment. 5th Symposium on Academic Exchange and Collaborative Research (AECoR-5), Zurich, Switzerland, 27/28 November, p. 14, 2014.
  23. P. Christen. Unravelling the mechanoregulation of bone remodelling in humans. 30th Advances in Mineral Metabolism (AIMM) / American Society for Bone and Mineral Research (ASBMR) John Haddad Young Investigators' Meeting, Snowmass, Colorado, USA, 6-10 April, 2015.
  24. D. Ruffoni, P. Christen, H. Scherf, R. Weinkamer. Wolff's law and the interplay between bone structure and external loading. 4th Joint Meeting of the European Calcified Tissue Society (ECTS) and the International Bone and Mineral Society (IBMS), Rotterdam, The Netherlands, 25-28 April, IBMS BoneKEy, 13:685, p. 14, 2015.
  25. P. Christen, Y. W. W. Lee, B. van Rietbergen, C. Y. J. Cheng, and R. Müller. Time-lapse in vivo image analysis to determine local disease and treatment effects on bone remodelling in patients. 4th Joint Meeting of the European Calcified Tissue Society (ECTS) and the International Bone and Mineral Society (IBMS), Rotterdam, The Netherlands, 25-28 April, IBMS BoneKEy, 13:685, p. 116, 2015.
  26. E. E. Goff, A. Levchuk, A. J. Trüssel, P. Christen, R. Müller. Correlating local strain modalities with local gene expression in vivo in bone tissue. 21st Congress of the European Society of Biomechanics (ESB), Prague, Czech Republic, 5-8 July, 2015.
  27. P. Christen, R. Müller. Image-based computation of in vivo bone loading history in patients. Platform for Advanced Scientific Computing Conference (PASC), Zurich, Switzerland, 2-3 June, 2015.
  28. E. E. Goff, A. Levchuk, A. J. Trüssel, P. Christen, R. Müller. A computational approach to correlate local mechanical tissue loading in bone with local gene expression in vivo. 13th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering (CMBBE), Montreal, Canada, 1-5 September, 2015.
  29. P. Christen, Y. W. W. Lee, B. van Rietbergen, C. Y. J. Cheng, and R. Müller. Image-based computation of local disease and treatment effects on bone remodelling in patients. 13th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering (CMBBE), Montreal, Canada, 1-5 September, 2015.
  30. S. D. Badilatti, P. Christen, S. J. Ferguson, and R. Müller. Simulation of long-term bone adaptation to cement augmentation in whole human vertebrae. Annual Meeting of The Swiss Society for Biomedical Engineering (SSBE), Neuchatel, Switzerland, 26-27 Aug, 2015.
  31. P. Christen. Quantifying and predicting the mechanoregulation of bone tissue remodelling. Joint Annual Meeting of Deutsche Mathematiker-Vereinigung (DMV) and Gesellschaft für Angewandte Mathematik und Mechanik (GAMM), Braunschweig, Germany, 7-11 March, 2016.
  32. P. Christen, and R. Müller. Personalized in silico bone health prognosis. Latsis Symposium ETH Zurich on Personalized Medicine, Zurich, Switzerland, 27-29 June 2016.
  33. N. Ohs, R. Müller, and P. Christen. Personalized in silico prognosis using clinical big data. Latsis Symposium ETH Zurich on Personalized Medicine, Zurich, Switzerland, 27-29 June 2016.
  34. J. A. Steiner, P. Christen, S. J. Ferguson, and G. H. van Lenthe. Towards a patient-specific in silico model to accurately quantify implant primary stability in osteoporotic bone. 22st Congress of the European Society of Biomechanics (ESB), Lyon, France, 10-13 July, 2016.
  35. S. D. Badilatti, P. Christen, I. Parkinson, and R. Müller. In silico simulation of microstructural bone loss in osteoporotic whole human vertebrae. 22st Congress of the European Society of Biomechanics (ESB), Lyon, France, 10-13 July, 2016.
  36. G. Paul, Z. Li, P. Christen, and R. Müller. Effects of implant pin misalignment on tissue loading in murine caudal vertebrae: a computational pilot study. 22st Congress of the European Society of Biomechanics (ESB), Lyon, France, 10-13 July, 2016.
  37. P. Christen, G. Marano, Y.-W. W. Lee, C.-Y. J. Cheng, and R. Müller. Counteracting decreased bone strength in young females with adolescent idiopathic scoliosis. 22st Congress of the European Society of Biomechanics (ESB), Lyon, France, 10-13 July, 2016.
  38. P. Christen. Perspective Talk: In silico bone health prognosis. 22st Congress of the European Society of Biomechanics (ESB), Lyon, France, 10-13 July, 2016.
  39. N. Ohs, F. Keller, O. Blank, W.-Y. W. Lee, C.-Y. J. Cheng, P. Arbenz, R. Müller, and P. Christen. Towards in silico prognosis using big data. Dreiländertagung of the Austrian, German and Swiss Societies for Biomedical Engineering, Basel, Switzerland, 4-6 October 2016. Current Directions in Biomedical Engineering.
  40. G. Marano, Y.-W. W. Lee, T.-P. Lam, R. Müller, and P. Christen. Effects of whole body vibration therapy on bone strength and mechanical tissue loading in the distal tibia of girls with adolescent idiopathic scoliosis. Joint Annual Meeting of The Swiss Association against Osteoporosis (SVGO) and The Swiss Bone and Mineral Society (SBMS), Bern, Switzerland, 4 May, 2017.
  41. A. Scheuren, R. Plett, C. Taylor, P. Christen, and R. Müller. Local in vivo environment (LivE) imaging in bone. International Collaboration on Repair Discoveries (ICORD) Trainee Symposium, Vancouver, Canada, 14 June, 2017.
  42. D. Betts, E. Goff, M. Casanova, Z. Li, P. Christen, and R. Müller. Segmentation of osteocyte lacuna within ultra-high resolution desktop micro-CT images: Sensitivity and precision reveal issues with current state of the art. 21th International Bone Densitometry Workshop (IBDW) and 7th European Symposium on Ultrasonic Characterization of Bone (ESUCB), Banz, Germany, 26-30 June, 2017.
  43. G. Marano, Y.-W. W. Lee, C.-Y. J. Cheng, R. Müler, and P. Christen. Whole body vibration therapy reduces local peak loading in the distal tibia of girls with adolescent idiopathic scoliosis. 21th International Bone Densitometry Workshop (IBDW) and 7th European Symposium on Ultrasonic Characterization of Bone (ESUCB), Banz, Germany, 26-30 June, 2017.
  44. N. Ohs, Y.-W. W. Lee, C.-Y. J. Cheng, R. Müller, and P. Christen. Personalised bone health prognosis through integrated patient big data analysis of medical images, molecular profiles and physical activity levels. 21th International Bone Densitometry Workshop (IBDW) and 7th European Symposium on Ultrasonic Characterization of Bone (ESUCB), Banz, Germany, 26-30 June, 2017.
  45. A. Scheuren, R. Plett, C. Taylor, P. Christen, and R. Müller. Visualisation and analysis of diverse experimental data from 3D local in vivo environment (live) imaging in bone. 23st Congress of the European Society of Biomechanics (ESB), Seville, Spain, 2-5 July, 2017.
  46. E. Goff, D. Betts, P. Christen, and R. Müller. Influence of uCT beam energy on cell lacunar imaging. 23st Congress of the European Society of Biomechanics (ESB), Seville, Spain, 2-5 July, 2017.
  47. A. Scheuren, R. Plett, C. Taylor, P. Christen, and R. Müller. Multiscale 3D data visualization for exploring diverse mechanobiological interactions in bone. Annual Meeting of the Swiss Society for Biomedical Engineering (SSBE), Zurich, Switzerland, 30 August, 2017.
  48. E. Goff, D. C. Betts, Z. Li, M. Casanonva, P. Christen, and R. Müller. Cell lacunar imaging dependence on uCT beam energy. Annual Meeting of the Swiss Society for Biomedical Engineering (SSBE), Zurich, Switzerland, 30 August, 2017.
  49. N. Ohs, J. Kleffmann, Y.-W. W. Lee, C.-Y. J. Cheng, P. Arbenz, R. Müller, and P. Christen. Patient big data - an analysis integrating medical images, molecular profiles and physical activity levels. Annual Meeting of the Swiss Society for Biomedical Engineering (SSBE), Zurich, Switzerland, 30 August, 2017.
  50. P. Christen, N. Ohs, Y.-W. W. Lee, T.-P. Lam, P. Arbenz, and R. Müller. A computational data science framework for personalised bone health prognosis. VII International Conference on Computational Bioengineering (ICCB), Compiègne, France, 6-8 September, 2017.
  51. P. Christen, G. Marano, Y.-W. W. Lee, T.-P. Lam, and R. Müller. Whole body vibration therapy triggers load-driven bone formation in adolescents with idiopathic scoliosis. Annual Meeting of the American Society for Bone and Mineral Research (ASBMR), Denver, Colorado, USA, 8-11 September, 2017.
  52. G. Marano, Y.-W. W. Lee, T.-P. Lam, R. Müller, and P. Christen. Whole body vibration therapy counteracts increasing local peak loading in the distal tibia of girls with adolescent idiopathic scoliosis. The 37th Annual Congress of The Hong Kong Orthopaedic Association (HKOA), Hong Kong, China, 4-5 November, p. 100, 2017.
  53. S. Sebastian, G. Marano, Y.-W. W. Lee, T.-P. Lam, R. Müller, and P. Christen. Potential of whole body vibration therapy to increase bone strength in adolescents with idiopathic scoliosis. Joint Annual Meeting of The Swiss Association against Osteoporosis (SVGO) and The Swiss Bone and Mineral Society (SBMS), Bern, Switzerland, 3 May, 2018.
  54. K. Simon, G. Marano, M. Blauth, R. Arora, R. Müller, and P. Christen. Local in vivo assessment of human distal radius fractures by time-lapse HR-pQCT. Joint Annual Meeting of The Swiss Association against Osteoporosis (SVGO) and The Swiss Bone and Mineral Society (SBMS), Bern, Switzerland, 3 May, 2018.
  55. E. Goff, J. P. McKinley, D. C. Betts, P. Christen, and R. Müller. A novel histogram-based thresholding approach for accurate segmentation of osteocyte lacunae in micro-CT images of human bone biopsies. 8th World Congress of Biomechanics (WCB), Dublin, Ireland, 8-12 July, O0418, 2018.
  56. D. Betts, M. Grass, N. Ohs, A. Malhotra, P. Christen, E. Wehrle, and R. Müller. A three-dimensional multiscale model of fracture healing in mice: Sensitivity of callus microstructure to osteoblast polarization and initial MSC density. 8th World Congress of Biomechanics (WCB), Dublin, Ireland, 8-12 July, O0731, 2018.
  57. N. Ohs, S. Sebastian, B. van Rietbergen, R. Müller, and P. Christen. Voxel size dependency of a load-adaptive bone remodelling algorithm. 8th World Congress of Biomechanics (WCB), Dublin, Ireland, 8-12 July, O0583, 2018.
  58. F. Keller and P. Christen. Bone as a complex system: Computing bone remodelling across biological hierarchies. 8th World Congress of Biomechanics (WCB), Dublin, Ireland, 8-12 July, O1389, 2018.
  59. E. Goff, J. P. McKinley, D. C. Betts, P. Christen, Carmen Eskesen, and R. Müller. A predictive histogram-based thresholding approach for micro-CT segmenting human osteocyte lacunae. Annual Meeting of the Swiss Society for Biomedical Engineering (SSBE), Biel, Switzerland, 28 August, 2018.
  60. K. Simon, M. Blauth, G. Degenhart, R. Müller, P. Christen, and R. Arora. In vivo Untersuchungsprotokoll mittels HR-pQCT erlaubt detailgetreue Beurteilung der knöchernen Heilung bei distalen Radiusfrakturen. 54. Jahrestagung der Österreichischen Gesellschaft für Unfallchirurgie, Salzburg, Austria, 4-6 October, 2018.
  61. N. Ohs, D. Betts, S. Sebastian, B. van Rietbergen, R. Müller, and P. Christen. Virtual high-resolution reduces voxel size effects of a load-adaptive bone remodeling algorithm. 22nd International Workshop on Quantitative Musculoskeletal Imaging (QMSKI), Lake Louise, Alberta, Canada, 24 February - 1 March, 2019.
  62. L. Engelhardt, A. Ignatius, P. Christen, R. Müller, and U. Simon. Patientenspezifisches invers-dynamisches Handmodell mit allen extrinsischen und intrinsischen Muskeln. 11. Kongress der Deutschen Gesellschaft für Biomechanik (DGfB), Berlin, Germany, 3-5 April, 2019.
  63. L. Engelhardt, M. Melzner, L. Havelkova, P. Fiala, P. Christen, S. Dendorfer, U. Simon. A new musculoskeletal AnybodyTM detailed hand model. 25th Congress of the European Society of Biomechanics (ESB), Vienna, Austria, 7-10 July, 2019.
  64. L. Engelhardt, F. Niemeyer, T. Seger, L. Zanotti, P. Christen, R. Müller, K. Simon, M. Blauth, A. Ignatius, U. Simon. Computational healing simulation of compression fractures in the distal radius. 25th Congress of the European Society of Biomechanics (ESB), Vienna, Austria, 7-10 July, 2019.
  65. P. Atkins, K. Simon, N. Ohs, P. Christen, M. Blauth, and R. Müller. In vivo motion artifacts significantly degrade image registration accuracy. 25th Congress of the European Society of Biomechanics (ESB), Vienna, Austria, 7-10 July, 2019.
  66. N. Ohs, D. C. Betts, C. M. O'Neill, C. Eskesen, R. Müller, and P. Christen. Fully automated contouring of HR-pQCT images of distal radius fractures. 25th Congress of the European Society of Biomechanics (ESB), Vienna, Austria, 7-10 July, 2019.
  67. C. Collins, N. Ohs, P. Atkins, L. Horling, M. Blauth, R. Müller, and P. Christen. Delayed fracture healing detected in aged distal radius fracture patients using in vivo HR-pQCT-based micro-FEA. 25th Congress of the European Society of Biomechanics (ESB), Vienna, Austria, 7-10 July, 2019.
  68. N. Ohs, D. Tourolle né Betts, B. Schroeder, P. Atkins, C. Collins, P. Christen, and R. Müller. Contouring radius fractures using active contours. The Annual Meeting of the Swiss Society for Biomedical Engineering (SSBE), Geneva, Switzerland, 27 August, 2019.
  69. P. Christen and O. Del Fabbro. Cybernetical Concepts for Cellular Automaton and Artificial Neural Network Modelling and Implementation. 2019 IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC), Bari, Italy, Paper 666, 6-9 October, 2019. arXiv:2001.02037 [cs.OH].
  70. S. M. Walker, P. Christen, and G. K. Taylor. Haltere kinematic and dynamics measured using time-resolved microtomography. Annual Meeting of the Society for Integrative and Comparative Biology (SICB), Austin, Texas, USA, 3-7 January, 2020.
  71. C. J. Collins, P. R. Atkins, N. Ohs, L. Horling, K. Stock, P. Christen, M. Blauth, and R. Müller. Elderly patients with distal radius fractures exhibit delayed fracture healing: An in vivo HR-pQCT micro-FEA study. Annual Meeting of the Orthopaedic Research Society (ORS), Phoenix, Arizona, USA, 8-11 January, 2020.
  72. P. R. Atkins, K. Stock, L. Horling, N. Ohs, C. J. Collins, P. Christen, M. Blauth, and R. Müller. Bone resorption and formation rates are reduced in late stage healing of dominant arm distal radius fractures. Annual Meeting of the Orthopaedic Research Society (ORS), Phoenix, Arizona, USA, 8-11 January, 2020.
  73. T. Inglese and P. Christen. Tutorial: Student video production in transfer task for programming and mathematics university teaching. eduhub days 2020, Bern, Switzerland, 29-30 January, 2020.
  74. P. Schmidt, M. Lehner, and P. Christen. Enhance reflection skills with social video learning. International Consortium for Educational Development (ICED 2020), Zurich, Switzerland, 15-18 June, 2020.
  75. P. Christen and T. Inglese. Virtual Teaching of Linear Algebra with Complex Systems and Artificial Intelligence Case Studies. Tenth International Conference on Complex Systems (ICCS 2020), Virtual Event, Paper 203, 27-31 July, 2020.
  76. P. Christen. Exploring Complex Systems Through Computation. Tenth International Conference on Complex Systems (ICCS 2020), Virtual Event, Paper 208, 27-31 July, 2020.
  77. P. R. Atkins, K. Stock, C. J. Collins, N. Ohs, L. Horling, P. Christen, M. Blauth, and R. Müller. Local Bone Remodeling in Distal Radius Fracture Healing Is Not Isolated to the Fracture Region: A Time-lapse HR-pQCT Imaging Study. Annual Meeting of the American Society for Bone and Mineral Research (ASBMR), Virtual Event, P-065, 11-15 September, 2020.
  78. C. J. Collins, P. R. Atkins, N. Ohs, L. Horling, K. Stock, P. Christen, M. Blauth, and R. Müller. Bilateral Asymmetry in the Healing Distal Radius: An in vivo HR-PQCT Micro-Finite Element Analysis Study. Annual Meeting of the American Society for Bone and Mineral Research (ASBMR), Virtual Event, P-078, 11-15 September, 2020.
  79. O. Del Fabbro and P. Christen. The Emergence of Typical Characteristics of Complex Systems. Conference on Complex Systems (CCS 2020), Virtual Event, Paper 95, 7-11 December, 2020.
  80. C. J. Collins, P. R. Atkins, N. Ohs, L. Horling, K. Stock, P. Christen, M. Blauth, and R. Müller. Contralateral Is Not A Control: An in vivo HR-pQCT Micro-FE Study of Hand Dominance in the Healing Distal Radius. 26th Congress of the European Society of Biomechanics (ESB), Milan, Italy, 11-14 July, 2021.
  81. L. Engelhardt, J. Schwer, M. Melzner, P. Christen, S. Dendorfer, and U. Simon. Wrist Load During Hand Grip Exercises with a New Inverse Dynamics Hand Model. 26th Congress of the European Society of Biomechanics (ESB), Milan, Italy, 11-14 July, 2021.
  82. P. Christen. Modelling and Implementing Open-Ended Evolutionary Systems. The Fourth Workshop on Open-Ended Evolution (OEE4), ALIFE 2021, Virtual Event (formerly Prague, Czech Republic), 19-23 July, 2021. arXiv:2201.06858v1 [cs.NE].
  83. S. Fix, T. Probst, O. Ruggli, T. Hanne, and P. Christen. Open-Ended Automatic Programming Through Combinatorial Evolution. 21th International Conference on Intelligent Systems Design and Applications (ISDA), Virtual Event, 13-15 December, 2021. arXiv:2102.10475v3 [cs.SE].
  84. T. Inglese, L. E. Fässler, and P. Christen. "I show you how I solved it!". 4th EAI International Conference on Multimedia Technology and Enhanced Learning (EAI ICMTEL), 2022.
  85. M. Walle, D. E. Whittier, C. Weidlich, D. O. Windisch, P. R. Atkins, P. Christen, M. Blauth, K. Lippuner, R. Müller, and C. J. Collins. Time-lapsed HR-pQCT allows monitoring local bone remodelling events at various follow-up time-points in vivo. The 23rd International Workshop on Quantitative Musculoskeletal Imaging (QMSKI), Noordwijk, The Netherlands, 13-17 June, 2022.
  86. D. E. Whittier, M. Walle, P. Christen, P. R. Atkins, C. Collins, M. Blauth, K. Lippuner, and R. Müller. Changes in loading during fracture healing do not impact bone microarchitecture of the contralateral radius. 27th Congress of the European Society of Biomechanics (ESB), Porto, Portugal, 26-29 June, 2022.
  87. O. Del Fabbro and P. Christen. Philosophy-Guided Modelling and Implementation of Adaptation and Control in Complex Systems. International Joint Conference on Neural Networks (IJCNN), 1-8, Padua, Italy, 18-23 July, 2022. arXiv:2009.00110 [cs.NE]. Accepted.
  88. P. Christen. Programming Data Structures for Large-Scale Desktop Simulations of Complex Systems. 2022 IEEE International Conference on Systems, Man and Cybernetics (IEEE SMC), Prague, Czech Republic, Paper 323, 3000-3005, 9-12 October, 2022. arXiv:2205.04837 [cs.DS].
  89. P. Christen and O. Del Fabbro. Philosophy-Guided Mathematical Formalism for Complex Systems Modelling. 2022 IEEE International Conference on Systems, Man and Cybernetics (IEEE SMC), Prague, Czech Republic, Paper 325, 2229-2236, 9-12 October, 2022. arXiv:2005.01192 [cs.NE].
  90. P. Christen. Curb Your Self-Modifying Code. 2022 IEEE International Conference on Systems, Man and Cybernetics (IEEE SMC), Prague, Czech Republic, Paper 462, 2607-2612, 9-12 October, 2022. arXiv:2202.13830 [cs.SE].
  91. D. E. Whittier, M. Walle, C. Ledoux, J. Holtmann, P. R. Atkins, C. J. Collins, P. Christen, K. Lippuner, and R. Müller. Early bone remodelling measured by HR-pQCT and bone turnover markers during fracture healing are determinants of long-term bone mineral density. 50th European Calcified Tissue Society (ECTS) Congress, Liverpool, UK, P104, 15-18 April, 2023.
  92. D. E. Whittier, M. Walle, C. Ledoux, P. R. Atkins, C. J. Collins, J. Holtmann, M. A. Zumstein, P. Christen, K. Lippuner, and R. Müller. Fracture Healing Leads to the Emergence of New Void Spaces in Bone Microarchitecture at the Distal Radius. Annual Meeting of the American Society for Bone and Mineral Research (ASBMR), Vancouver, BC, Canada, 13-16 October, 2023.
  93. C. Kaufmann, T. Schmiedel, and P. Christen. Using Generative Artificial Intelligence in University Teaching. 23th International Conference on Intelligent Systems Design and Applications (ISDA), 11-13 December, 2023.