[1] Hosp Clin Barcelona, Dept Rheumatol, Barcelona, Spain
[2] INIBIC Complejo Hosp Univ A Coruna CHUAC, Div Rheumatol, La Coruna, Spain
[3] Hosp Sabadell, Rheumatol, Sabadell, Spain
[4] Hosp Cent Asturias, Oviedo, Spain
[5] Hosp Clin Univ Salamanca, Rheumatol, Salamanca, Spain
[6] Hosp Monte Naranco, Oviedo, Spain
[7] Hosp Jerez de la Frontera, Rheumatol, Jerez de la Frontera, Spain
[8] Hosp Univ Carlos Haya, Rheumatol, Malaga, Spain
[9] Hosp Infanta Sofia, Rheumatol, Madrid, Spain
[10] Hosp Univ Gregorio Maranon, Serv Reumatol, Madrid, Spain
[11] Hosp Univ Bellvitge, Rheumatol Serv, Lhospitalet De Llobregat, Spain
[12] Hosp Fdn Alcorcon, Alcorcon, Spain
[13] Catalan Soc Rheumatol, Nailfold Capillaroscopy Grp, CapiCAT Grp, Catalonia, Spain
[14] Hosp Univ Bellvitge, Rheumatol, Barcelona, Spain
[15] IIS IP, Hosp Princesa, Rheumatol, Madrid, Spain
[16] Hosp Mutua de Terrassa, Rheumatol Unit, Barcelona, Spain
[17] Hosp Santa Creu & Sant Pau, Rheumatol, Barcelona, Spain
[18] Hosp Univ Marques de Valdecilla, IDIVAL, Rheumatol, Santander, Spain
[19] Complexo Hosp Ourense, Orense, Spain
[20] Complejo Hosp Hosp Prov Pontevedra, Serv Reumatol, Pontevedra, Spain
[21] Hosp Gen Univ Alicante, Dept Rheumatol, Alicante, Spain
[22] Hosp Univ Guadalajara, Dept Rheumatol, Guadalajara, Spain
[23] Hosp Gen La Mancha Ctr, Dept Rheumatol, Ciudad Real, Spain
[24] Hosp Moises Broggi, Rheumatol, Barcelona, Spain
[25] Hosp Clin Barcelona, Rheumatol, Barcelona, Spain
[26] Vall dHebron Hosp, Res Inst, Barcelona, Spain
[27] Hosp Univ Vall dHebron, Serv Reumatol, Barcelona, Spain
[28] Vall dHebron Hosp, Rheumatol Res Grp, Res Inst, Barcelona, Spain
[29] Vall dHebron Hosp, Rheumatol Res Unit, Barcelona, Spain