1. Musculoskeletal Research Unit, School of Clinical Sciences, University of Bristol, Bristol, UK
2. School of Health Professions, Faculty of Health and Human Sciences, Plymouth University, Plymouth, UK
3. Medical School, University of Exeter, Exeter, UK
4. School of Social and Community Medicine, University of Bristol, Bristol, UK
5. School of Sport, Exercise and Rehabilitation Sciences, Birmingham, UK
6. North Bristol NHS Trust, Bristol, UK
7. Department of Physiotherapy, King’s College London, London, UK
8. School of Health Sciences, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, UK