1. Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham , Birmingham, UK
2. School of Health Sciences, University of Southampton , Southampton, UK
3. Therapy Services, University Hospital Southampton NHS Foundation Trust , Southampton, UK
4. School of Health Sciences, Faculty of Medicine, Dentistry and Health, University of Sheffield , Sheffield, UK
5. School of Social Sciences, Birmingham City University , Birmingham, UK
6. Centre for Health Psychology, School of Health Sciences, University of Manchester, Manchester, UK
7. Biomedical Research Centre, Manchester University NHS Foundation Trust , Manchester, UK
8. Department of Health Informatics, The University Hospitals Birmingham NHS Foundation Trust , Birmingham, UK
9. Nuffield Orthopaedic Centre, Oxford University Hospitals NHS Foundation Trust , Oxford, UK
10. Department of Rheumatology, University Hospitals of Leicester NHS Trust , Leicester, UK
11. College of Life Sciences, University of Leicester , Leicester, UK
12. National Rheumatoid Arthritis Society , Maidenhead, UK
13. Medical School, University of Leicester , Leicester, UK
14. Department of Rheumatology, Royal Wolverhampton NHS Trust , Wolverhampton, UK