1. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK
2. NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
3. Rheumatology, Medical University Graz, Graz, Austria
4. South Tyrol Health Trust, Department of Rheumtaology, Hospital of Bruneck, Bruneck, Italy
5. Rheumatology Unit, Department of Medicine, University of Campinas, São Paulo, Brazil
6. Division of Rheumatology, La Colletta Hospital, Local Health Trust 3 Genoa
7. Autoimmunology Laboratory, Department of Internal Medicine, University of Genoa, Genoa, Italy
8. Internal Medicine, Medical University Innsbruck, Innsbruck, Austria
9. Internal Medicine, Hôpital Saint-Louis, University Paris Diderot, Paris, France
10. Department of Rheumatology, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich
11. Rheumatology, Newcastle University, Newcastle, UK
12. Rheumatology Division, Universidade Federal de Sao Paulo Escola Paulista de Medicina (UNIFESP-EPM), São Paulo, Brazil
13. Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
14. Rheumatology, University Hospitals of Morecambe Bay NHS Foundation Trust, Kendal, Cumbria, UK
15. Department of Medicine (Rheumatology and Clinical Immunology), Charité University Medicine, Berlin, Germany
16. PMRGCAuk, London, UK
17. Hospital Clinic de Barcelona, Universitat de Barcelona, Institut d’Investigacions, Biomèdiques, August Pi I, Sunyer (IDIBAPS), Catalunya, Barcelona, Spain
18. Dipartimento di Medicina Interna, Università degli Studi di Genova, Genoa, Italy
19. Rheumatology, School of Medicine, Marmara University, Istanbul, Turkey
20. Rheumatology, UCLA Medical Center, Santa Monica, CA, USA
21. Rheumatology, Solihull Hospital, University Hospitals Birmingham, Birmingham
22. Academic Rheumatology, Nottingham University Hospitals, Nottingham
23. Nuffield Orthopaedic Centre – Rheumatology, University of Oxford, Oxford
24. School of Primary, Community and Social Care, Keele University, Staffordshire
25. Rheumatology, Imperial College London, London, UK
26. Division of Rheumatology and Internal Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN
27. Department of Medicine, University of Pennsylvania, Philadelphia, PA, USA
28. Birmingham Neuro-Ophthalmology Unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham
29. PMR-GCA Scotland, Perth, Scotland
30. Department of Ophthalmology, King’s College Hospital, London, UK
31. Medical Centre for Rheumatology Berlin-Buch, Immanuel Hospital Berlin, Berlin, Germany
32. Rheumatology, Ipswich Hospital, Ipswich, UK
33. University of East Anglia, Ipswich
34. Rheumatology, Southend University NHS Foundation Trust, Westcliff-on-Sea, Essex, UK
35. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
36. Department of Rheumatology, Mayo Clinic of Medicine and Science, Rochester, MN, USA
37. Department of Rheumatology, Southend University NHS Foundation Trust, Westcliff-on-Sea, Essex, UK