1. Primary Care Centre Versus Arthritis, School of Medicine, Keele University
2. MRC Versus Arthritis Centre for Musculoskeletal Health and Work, University of Southampton, Southampton
3. Centre for Prognostic Research, Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, Keele
4. Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Oxford
5. MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton
6. Keele Cardiovascular Research Group, Centre for Prognosis Research, School of Medicine, Keele University, Keele
7. Public Contributor
8. Musculoskeletal Research Unit, University of Bristol, Bristol, UK