1. Department of Population Health Sciences, School of Population and Environmental Sciences, King’s College London, London, UK
2. School of Health Sciences, Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK
3. Department of Physical Therapy, Faculty of Rehabilitation Medicine University of Alberta, Alberta, Canada
4. John Walsh Centre for Rehabilitation Research, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
5. Musculoskeletal Research Unit, Translation Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
6. Cardiff Trauma Unit, University Hospital of Wales, Cardiff, UK
7. PMR-C, Departments of Physiotherapy & Orthopaedic Surgery, Copenhagen University Hospital – Amager and Hvidovre, and Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
8. Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD, USA
9. School of Health Sciences, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, UK
10. School of Population and Public Health, University of British Columbia, Vancouver, Canada