1. University of OtagoWellington New Zealand
2. Radboud University Medical CentreNijmegen The Netherlands
3. University of AucklandAuckland New Zealand
4. University of Pennsylvania and VA Medical CenterPhiladelphia
5. Chiang Mai UniversityChiang Mai Thailand
6. Hospital General de MéxicoMexico City Mexico
7. Nasonova Research Institute of RheumatologyMoscow Russia
8. University College, Mater Misericordiae University HospitalDublin Ireland
9. University of Otago ChristchurchChristchurch New Zealand
10. Hospital Universitario Cruces and BioCruces Health Research InstituteVizcaya Spain
11. Hospital General Universitario de EldaAlicante Spain
12. University of Paris Diderot, Sorbonne Paris Cité, UFR de Médecine, INSERM, UMR 1132, Hôpital Lariboisière, AP‐HPParis France
13. Amsterdam Rheumatology Immunology Center, Westfries GasthuisHoorn The Netherlands
14. Italian Society for RheumatologyMilan Italy
15. University and IRCCS Policlinico S. Matteo FoundationPavia Italy
16. Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation Taiwan
17. Taichung Veterans’ General Hospital Taichung Taiwan
18. University Hospital Carl Gustav CarusDresden Germany
19. Universidade do Estado do Rio de JaneiroRio de Janeiro Brazil
20. Rijnstate HospitalArnhem The Netherlands
21. China Medical University and China Medical University Hospital Taichung Taiwan
22. Copenhagen University HospitalGlostrup Denmark
23. University of GenoaGenoa Italy
24. Diakonhjemmet HospitalOslo Norway
25. Boston University School of MedicineBoston Massachusetts