1. MRC Versus Arthritis Centre for Musculoskeletal Health and Work, University of Southampton, Southampton General Hospital, Southampton, UK
2. MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital, Southampton, UK
3. Academic Unit of Primary Care and Population Sciences, University of Southampton, Southampton General Hospital, Southampton, UK
4. Solent NHS Trust, Southampton, UK
5. Department of Psychology, University of Southampton, Southampton, UK
6. Department of Primary Care and Population, Aldermoor Health Centre, Southampton, UK
7. Guy’s & St Thomas’s NHS Foundation Trust, King’s College London, Occupational Health Department, St Thomas’ Hospital, London, UK
8. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, University of Oxford, Oxford, UK