1. Rheumatology Department, Virgen Macarena University Hospital, Seville, Spain
2. Research Unit, Spanish Society of Rheumatology, Madrid, Spain
3. Rheumatology Department, Araba University Hospital, Vitoria, Spain
4. Rheumatology Department, University Hospital Complex, Instituto de Investigación Biomédica de Vigo, Vigo, Spain
5. Rheumatology Department, Gregorio Marañón University Hospital, Madrid, Spain
6. Rheumatology Department, 12th October University Hospital, Madrid, Spain
7. Rheumatology Department, Germans Trías i Pujol University Hospital, Badalona, Spain
8. Rheumatology Department, La Princesa University Hospital, Madrid, Spain
9. Rheumatology Department, Navarra Hospital, Navarra, Spain
10. Rheumatology Department, Donosti Hospital, Guipuzcoa, Spain
11. Rheumatology Department, Dr Negrín University Hospital, Las Palmas de Gran Canaria, Spain
12. Rheumatology Department, Príncipe de Asturias University Hospital, Madrid, Spain
13. Rheumatology Department, Salamanca Clinic University Hospital, Salamanca, Spain
14. Rheumatology Department, Marina Baixa Hospital, Alicante, Spain
15. Rheumatology Department, Carlos Haya University Hospital, Malaga, Spain
16. Rheumatology Department, Marqués de Valdecilla University Hospital, Santander, Spain
17. Rheumatology Department, Hospital Complex of Ourense, Ourense, Spain
18. Rheumatology Department, Alicante General Hospital, Alicante, Spain
19. Rheumatology Department, Juan Canalejo University Hospital, La Coruña, Spain
20. Rheumatology Department, León Hospital, León, Spain
21. Rheumatology Department, Ramon y Cajal University Hospital, Madrid, Spain
22. Rheumatology Department, Bellvitge Hospital, Barcelona, Spain
23. Rheumatology Department, Basurto Hospital, Bilbao, Spain
24. Rheumatology Department, Puerta del Hierro-Majadahonda Hospital, Madrid, Spain
25. Rheumatology Department, Basurto Hospital, Basurto, Spain
26. Rheumatology Department, Hospital Insular of Gran Canaria, Gran Canaria, Spain
27. Rheumatology Department, Tenerife Clinic Hospital, Tenerife, Spain
28. Rheumatology Department, Jerez de la Frontera University Hospital, Cadiz, Spain
29. Rheumatology Department, Son Llatzer Hospital, Mallorca, Spain
30. Rheumatology Department, Miguel Servet University Hospital, Zaragoza, Spain
31. Rheumatology Department, Virgen de la Arrixaca University Hospital, Murcia, Spain
32. Rheumatology Department, La Paz University Hospital, Madrid, Spain
33. Rheumatology Unit, L’Alt Penedés District Hospital, Barcelona, Spain
34. Rheumatology Department, Parc Taulí Hospital, Barcelona, Spain
35. Rheumatology Department, San Cecilio Hospital, Granada, Spain
36. Rheumatology Unit, Monforte Hospital, Lugo, Spain
37. Rheumatology Department, Lucus Augusti Hospital, Lugo, Spain
38. Rheumatology Unit, POVISA Medical Centre, Vigo, Spain
39. Rheumatology Service, Infanta Sofía University Hospital, San Sebastián de los Reyes, Madrid, Spain
40. Rheumatology Department, Doctor Negrín University Hospital of Gran Canaria, Las Palmas de Gran Canaria, Spain