1. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital , Leeds, UK
2. NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust , Leeds, UK
3. Department of Women’s and Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool Faculty of Health and Life Sciences , Liverpool, UK
4. Department of Paediatric Rheumatology, Alder Hey Children’s NHS Foundation Trust , Liverpool, UK
5. LUPUS UK , Romford, UK
6. Department of Paediatrics, Cambridge University Hospitals NHS Foundation Trust , Cambridge, UK
7. School of Health Sciences, University of Southampton , Southampton, UK
8. Musculoskeletal Research Unit, NIHR Southampton Clinical Research Facility, University Hospital Southampton , Southampton, UK
9. Department of Rheumatology, Northwick Park Hospital, London North West University Healthcare NHS Trust , Harrow, UK
10. Rheumatology Research Group, Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham , Birmingham, UK
11. Department of Rheumatology, Freeman Hospital , Newcastle, UK
12. Centre for Rheumatology, Division of Medicine, University College London , London, UK
13. Department of Adolescent Rheumatology, St James’s Hospital and Children’s Health Ireland , Dublin, Ireland
14. Department of Rheumatology, St George’s University Hospitals NHS Foundation Trust , London, UK
15. Lifespan and Population Health, School of Medicine, University of Nottingham , Nottingham, UK
16. Nottingham University Hospitals NHS Trust , Nottingham, UK
17. Department of Dermatology, Leeds Teaching Hospitals NHS Trust , Leeds, UK
18. Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London , London, UK
19. Department of Paediatric Rheumatology, Manchester University NHS Foundation Trust , Manchester, UK
20. Centre for Musculoskeletal Health Research, School of Medicine, Keele University , Keele, UK
21. Department of Paediatric Nephrology, Great Ormond Street Hospital for Children NHS Foundation Trust , London, UK
22. NIHR Great Ormond Street Hospital Biomedical Research Centre, University College London Great Ormond Street Institute of Child Health , London, UK
23. Department of Paediatric Rheumatology, Great Ormond Street Hospital NHS Foundation Trust , London, UK
24. Infection, Immunity and Inflammation Department, University College of London Great Ormond Street Institute of Child Health , London, UK
25. Pharmacy Department, Sheffield Children’s NHS Foundation Trust , Sheffield, UK
26. Department of Renal Medicine, Royal Free Hospital , London, UK
27. Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford , Oxford, UK
28. Leeds Children’s Hospital, Leeds Teaching Hospitals NHS Trust , Leeds, UK
29. Royal National Hospital for Rheumatic Diseases, Royal United Hospitals Bath NHS Foundation Trust , Bath, UK
30. Department of Clinical and Academic Rheumatology, King’s College Hospital NHS Foundation Trust , London, UK
31. Lanarkshire Centre for Rheumatology, Hairmyres Hospital , East Kilbride, Scotland, UK