1. Arthritis Research UK Epidemiology Unit, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, University of Manchester, and NIHR Manchester Musculoskeletal Biomedical Research Unit, Manchester Academic Health Science Centre; Manchester UK
2. University of Sheffield; Sheffield UK
3. University of Leeds; Leeds UK
4. Kings College Hospital National Health Service Foundation Trust; London UK
5. NIHR Oxford Musculoskeletal Research Unit and Botnar Research Centre, Nuffield Orthopaedic Centre; Oxford UK
6. University of Aberdeen; Aberdeen UK