1. Pediatric Rheumatology Unit, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
2. Pediatric Rheumatology Unit, Universidade Federal de Sao Paulo, Sao Paulo, Brazil
3. Division of Rheumatology, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
4. Pediatric Rheumatology Division, Sao Paulo State University (UNESP), Botucatu, Brazil
5. Pediatric Rheumatology Unit, University of Campinas (UNICAMP), Campinas, Brazil
6. Pediatric Rheumatology Unit, University of Sao Paulo, Ribeirão Preto, Brazil
7. Pediatric Rheumatology Unit, Hospital Geral de Fortaleza, Fortaleza, Brazil
8. Pediatric Rheumatology Unit, Rio de Janeiro Federal University (IPPMG-UFRJ), Rio de Janeiro, Brazil
9. Pediatric Rheumatology Unit, Hospital Jose Alencar, Brasília, Brazil
10. Pediatric Rheumatology Unit, Pedro Ernesto University Hospital, Rio de Janeiro, Brazil
11. Pediatric Rheumatology Unit, Albert Sabin Children’s Hospital, Fortaleza, Brazil
12. Pediatric Rheumatology Unit, Hospital Darcy Vargas, Sao Paulo, Brazil
13. Pediatric Rheumatology Unit, Irmandade da Santa Casa de Misericórdia de Sao Paulo, Sao Paulo, Brazil
14. Rheumatology Division, Hospital Universitário Clementino Fraga Filho, Rio de Janeiro, Brazil
15. Pediatric Rheumatology Unit, Lauro Vanderley University Hospital, João Pessoa, Brazil
16. Pediatric Rheumatology Unit, Federal University of Pará, Belém, Brazil
17. Pediatric Rheumatology Unit, Obras Sociais Irmã Dulce, Salvador, Brazil
18. Pediatric Rheumatology Unit, Hospital Evangélico de Curitiba, Curitiba, Brazil
19. Pediatric Rheumatology Unit, Hospital Criança Conceição, Porto Alegre, Brazil
20. Pediatric Rheumatology Unit, Federal University of Pernambuco, Recife, Brazil
21. Pediatric Rheumatology Unit, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
22. Pediatric Rheumatology Unit, Federal University of Bahia, Salvador, Brazil
23. Pediatric Rheumatology Unit, University of Brasilia, Brasília, Brazil
24. Pediatric Rheumatology Unit, Federal University of Minas Gerais, Belo Horizonte, Brazil
25. Pediatric Rheumatology Unit, Hospital Municipal Piedade, Rio de Janeiro, Brazil