1Division of Orthopaedic Trauma, Department of Orthopaedic Surgery, University of British Columbia, Vancouver, British Columbia, Canada
2Department of Mechanical Engineering, Boston University, Boston, MA 02215, USA
3Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115, USA
4Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center and Department of Orthopedic Surgery, Harvard Medical School, Boston, MA 02215, USA
5Centre for Biomechanics Research (BMEC), Department of Biomedical Engineering, NUI Galway, Galway, Republic of Ireland
6National Centre for Biomedical Engineering Science (NCBES), NUI Galway, Galway, Republic of Ireland
7Institute of Biomechanics, Trauma Center Murnau, Murnau, Germany and Paracelsus Medical University Salzburg, Salzburg, Austria