1. Department of Orthopaedic Surgery, The Alfred, Melbourne, Australia
2. School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
3. Department of Orthopaedic Surgery, University Hospital Geelong, Geelong, Australia
4. Barwon Centre for Orthopaedic Research and Education (B-CORE), St John of God Hospital and Deakin University, Geelong, Victoria, Australia
5. Department of Physiotherapy, The Alfred, Melbourne, Australia
6. Health Data Research UK, Swansea University Medical School, Swansea University, Sketty, Swansea, UK