1. Haslemere Community Hospital, Royal Surrey NHS Foundation Trust, Surrey, UK
2. Population Health Research Institute, St George’s University of London, London, UK
3. Institute of Medical and Biomedical Education, St George’s University of London, London, UK
4. Department of Trauma and Orthopaedic Surgery, St George’s University Hospitals NHS Foundation Trust, London, UK
5. Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, UK
6. Physiotherapy Research Unit, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
7. Therapies Department, Royal National Orthopaedic Hospital Trust, London, UK