1. Hamburg Centre for Pediatric and Adolescent Rheumatology Schön Klinik Hamburg Eilbek Hamburg Germany
2. German Rheumatism Research Center Berlin Germany
3. Children's pulmonology, Asklepios Klinik Nord – Heidberg Hamburg Germany
4. Department of Pediatric Rheumatology Cerrahpasa Medical School Istanbul University ‐ Cerrahpasa Istanbul Turkey
5. Universidade do Estado, Rio de Janeiro, Brazil
6. Universidade Federal de São Paulo Sao Paulo Brazil
7. Pediatric Rheumatology. Hospital Sant Joan de Déu Esplugues (Barcelona) Spain
8. Department of Internal Medicine Ghent University Department of Rheumatology Ghent University Hospital Unit for Molecular Immunology and Inflammation VIB Inflammation Research Center (IRC) Ghent Belgium
9. Hospital de Pediatria Buenos Aires Argentine
10. Saint‐Petersburg State Pediatric Medical University and Almazov National Medical Research Centre St Petersburg Russian Federation
11. Children’s Hospital at Montefiore Bronx NY USA
12. University Children's Hospital University Medical Center Ljubljana Ljubljana Slovenia
13. SickKids The Hospital for Sick Children Toronto Canada
14. Pediatric Rheumatology Sri Ramachandra University Chennai India
15. Serviço de Reumatologia Hospital Garcia de Orta Almada Portugal
16. Sir Ganga Ram Hospital Delhi Delhi India
17. Amsterdam UMC Amsterdam Netherlands
18. University Hospital Ramón y Cajal Madrid Spain
19. National Medical Research Center of Children's Health Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation Moscow Russian Federation
20. School of Medical Science State University of Campinas (UNICAMP) Sao Paulo Brazil
21. Hospital de Niños Dr. Orlando Alassia Santa Fee Argentine
22. Dept. of Women’s and Children’s Health Uppsala University Uppsala Sweden
23. Chefe do Serviço de Reumatologia do Hospital Universitário Clementino Fraga Filho (HUCFF Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
24. Hospital de Santa Maria Faculdade de Medicina Universidade de Lisboa Lisbon Portugal
25. Great Ormond Street Hospital for Children NHS Foundation Trust London UK
26. Division of Rheumatology and Clinical Immunology Charité University Medicine Berlin Germany
27. Hospital for Special Surgery New York NY USA
28. Meyer Children’s Hospital Florence Italy
29. Rigshospitalet, Copenhagen Denmark
30. Stony Brook Children's Hospital Stony Brook NY USA
31. University of Missouri‐Columbia Columbia USA
32. SRCC Children's Hospital Mumbai Mumbai India
33. Riga Stradins University Department of Pediatric University Children Hospital Riga Latvia
34. Meir Medical Center Tel Aviv University Kfar Saba Israel
35. Children’s Hospital of Pittsburgh Pittsburgh PA USA