1. NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre , Manchester, UK
2. Centre for Musculoskeletal Research, University of Manchester, Manchester Academic Health Science Centre , Manchester, UK
3. Centre for Epidemiology Versus Arthritis, University of Manchester , Manchester, UK
4. Department of Rheumatology, Salford Royal NHS Foundation Trust , Salford, UK
5. Manchester Centre for Clinical Neurosciences, Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre , Salford, UK
6. Department of Paediatric Rheumatology, Leeds Children’s Hospital , Leeds, UK
7. Pharmacy Department, Alder Hey Children’s Hospital NHS Foundation Trust , Liverpool, UK
8. School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University , Liverpool, UK
9. Centre for Rheumatic Diseases, King’s College London , London, UK
10. Department of Paediatric Rheumatology, Royal Manchester Children’s Hospital , Manchester, UK
11. Department of Rheumatology, King’s College Hospital NHS Foundation Trust , London, UK
12. Department of Health Professions, Manchester Metropolitan University , Manchester, UK
13. Department of Rheumatology, North Bristol NHS Trust , Bristol, UK
14. Department of Clinical and Academic Rheumatology, University of Bristol , Bristol, UK
15. Queen Square Centre for Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London , London, UK
16. Department of Rheumatology, Division of Medicine, University College London , London, UK
17. Department of Rheumatology, Nuffield Orthopaedic Centre , Oxford, UK
18. Department of Rheumatology, St George’s University Hospitals NHS Foundation Trust , London, UK
19. Institute of Medical and Biomedical Education, St George’s, University of London , London, UK
20. Department of Paediatric Rheumatology, Great Ormond Street Hospital NHS Foundation Trust, London, UK
21. NIHR Great Ormond Street and University College London Biomedical Research Centre , London, UK
22. Department of Neuromuscular Diseases, Centre for Rheumatology, University College London , London, UK
23. NIHR University College London Hospitals Biomedical Research Centre, University College London Hospitals (UCLH) NHS Foundation Trust , London, UK
24. Department of Rheumatology, Northwick Park Hospital, London North West University Healthcare NHS Trust , London, UK
25. Department of Pharmacy and Pharmacology, University of Bath , Bath, UK
26. Department of Dermatology, Sheffield University Teaching Hospitals , Sheffield, UK
27. Rheumatology Research Group, Institute of Inflammation and Aging, University of Birmingham , Birmingham, UK
28. Department of Rheumatology, Sandwell and West Birmingham NHS Foundation Trust , Birmingham, UK
29. Patient Representative
30. Department of Paediatric Neurology, Alder Hey Children's NHS Foundation Trust , Liverpool, UK
31. Juvenile Dermatomyositis Parent Representative
32. Department of Rheumatology, Royal Free London NHS Trust , London, UK
33. Division of Medicine, University College London , London, UK
34. Royal National Hospital for Rheumatic Diseases, Royal United Hospitals Bath NHS Foundation Trust , Bath, UK
35. Relative/Caregiver
36. Department of Paediatric Rheumatology, Nottingham Children’s Hospital, Nottingham University Hospitals NHS Trust , Nottingham, UK
37. Department of Paediatric Rheumatology, Royal Hospital for Children , Glasgow, UK
38. Scottish Paediatric & Adolescent Rheumatology Network, Glasgow, Scotland
39. Department of Paediatric Rheumatology, Alder Hey Children’s NHS Foundation Trust , Liverpool, UK