1. Biomechanics and Implants Research Group, Medical Device Research Institute, College of Science and Engineering Flinders University Adelaide Australia
2. Department of Biomedical Engineering Rensselaer Polytechnic Institute Troy New York USA
3. Research and Development Service Stratton VA Medical Center Albany New York USA
4. Department of Mechanical Engineering University of California‐Berkeley Berkeley California USA
5. Department of Orthopaedic Surgery University of California‐San Francisco San Francisco California USA