[1] Hosp Clin Barcelona, Rheumatol, Barcelona, Spain
[2] Hosp Clin Barcelona, Ophtalmol, Barcelona, Spain
[3] Hosp Marques de Valdecilla, Rheumatol, Santander, Spain
[4] Hosp Univ Donostia, Rheumatol, San Sebastian, Spain
[5] Hosp Univ Donostia, Ophtalmol, San Sebastian, Spain
[6] Hosp Can Misses, Rheumatol, Ibiza, Spain
[7] Txagorritxu Hosp, Rheumatol, Vitoria, Spain
[8] Hosp Univ Infanta Elena, Rheumatol, Madrid, Spain
[9] Complejo Hosp Univ Albacete, Rheumatol, Albacete, Spain
[10] Hosp Univ Gen Castellon, Rheumatol, Castellon de La Plana, Spain
[11] Hosp Univ Gen Castellon, Ophtalmol, Castellon de La Plana, Spain