1. Department of Surgery, St Vincent’s Hospital Melbourne, The University of Melbourne, Melbourne, Australia
2. School of Health Sciences and Social Work, Griffith University, Nathan Campus, Queensland, Australia
3. Physiotherapy Department, Royal Brisbane and Women’s Hospital, Queensland, Australia
4. College of Health and Medicine, Australian National University, Canberra, Australia
5. Department of Clinical Sciences, Orthopaedics, Lund University, Lund, Sweden
6. Department of Traumatology, John Hunter Hospital, University of Newcastle School of Medicine and Public Health, Callaghan, Australia
7. Health Economics Research Centre, Oxford University, Oxford, England