1. Nuffield Department of Orthopaedics and Musculoskeletal Sciences, University of Oxford, Oxford, UK
2. Faculty of Health and Life Sciences, University of Exeter, Exeter, UK
3. Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
4. Physiotherapy Research Unit, Oxford University Hospitals NHS Trust, Nuffield Orthopaedic Centre, Oxford, UK
5. University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
6. Bodleian Health Care Libraries, University of Oxford, Oxford, UK