1. The Medical Device Research Institute; School of Computer Science, Engineering and Mathematics; Flinders University; GPO Box 2100 Adelaide South Australia 5001 Australia
2. Alliance for Research in Exercise; Nutrition and Activity, Sansom Institute for Health Research; University of South Australia; Adelaide South Australia Australia
3. Centre for Orthopaedic and Trauma Research; The University of Adelaide; Adelaide South Australia Australia
4. Department of Orthopaedics and Trauma; Royal Adelaide Hospital; Adelaide South Australia Australia
5. Department of Orthopaedic Surgery; Repatriation General Hospital; Daws Park South Australia Australia