1. Centre for Epidemiology Versus Arthritis, Division of Musculoskeletal and Dermatological Science, School of Biological Sciences, Faculty of Biological Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre , Manchester, UK
2. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds , Leeds, UK
3. NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals Trust , Leeds, UK
4. Department of Rheumatology, Royal Berkshire NHS Foundation Trust , Reading, UK
5. Patient Expert
6. Department of Rheumatology, Leeds Teaching Hospitals Trust , UK
7. Rheumatology Department, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust , Greater Manchester, UK
8. Faculty of Health and Education, Manchester Metropolitan University , Manchester, UK
9. Aberdeen Centre for Arthritis and Musculoskeletal Health (Epidemiology Group), University of Aberdeen , Aberdeen, UK
10. Department of Rheumatology, Honiton Surgery, Royal Devon & Exeter Hospital , Exeter, UK
11. Department of Rheumatology, St George’s University Hospitals NHS Foundation Trust , London, UK
12. Royal National Hospital for Rheumatic Diseases, Royal United Hospitals , Bath, UK
13. School of Infection and Immunity, University of Glasgow , Glasgow, UK
14. Rheumatology Department, The Newcastle-upon-Tyne Hospitals NHS Foundation Trust , Newcastle-upon-Tyne, UK
15. National Axial Spondyloarthritis Society (NASS) , London, UK
16. Centre for Epidemiology, Norwich Medical School, University of East Anglia , Norwich, UK
17. Rheumatology Department, Norfolk & Norwich University Hospitals NHS Foundation Trust , Norwich, UK