[1] Hosp Univ Marques de Valdecilla, IDIVAL, Santander, Spain
[2] Hosp Univ Marques Valdecilla, Rheumatol, IDIVAL, Santander, Spain
[3] Hosp Univ Navarra, Pamplona, Spain
[4] Hosp Univ Germans Trias i Pujol, Badalona, Spain
[5] CHU Vigo, O Carballino, Spain
[6] Serv Reumatol, Cadiz, Spain
[7] Hosp Univ Princesa, Madrid, Spain
[8] Hosp Reina Sofia, Cordoba, Spain
[9] IBIMA, Malaga, Spain
[10] Hosp Galdakao Usansolo, Galdakao, Spain
[11] Hosp Univ San Agustin, Oviedo, Spain
[12] Hosp Clin Lozano Blesa, Zaragoza, Spain
[13] Hosp Leon, Leon, Spain
[14] Hosp Univ Jaen, Div Rheumatol, Jaen, Spain
[15] Hosp Univ Gran Canaria Doctor Negrin, Las Palmas Gran Canaria, Spain
[16] CAZA, Salamanca, Spain
[17] Hosp Germans Trias i Pujol, Badalona, Spain
[18] Hosp Severo Ochoa, Div Rheumatol, Leganez, Spain
[19] Hosp Clin Univ La Paz, Dept Rheumatol, Madrid, Spain
[20] Univ Hosp Donostia, San Sebastian, Spain
[21] Hosp Univ Badajoz, Dept Rheumatol, Badajoz, Spain
[22] Hosp Sagunto, Valencia, Spain
[23] Parc Tauli Hosp Univ, UAB I3PT, Barcelona, Spain
[24] Hosp Can Misses, Ibiza, Spain
[25] H Arnau de Vilanova, Lleida, Spain
[26] Hosp Clin Univ Valladolid, Valladolid, Spain
[27] Complejo Asistencial Univ Palencia, Div Rheumatol, Palencia, Spain
[28] Hosp Araba, Alava, Spain
[29] Hosp Univ 12 Octubre, Madrid, Spain
[30] Complejo Hosp Univ Ferrol, Rheumatol, La Coruna, Spain
[31] Hosp 12 Octubre, Madrid, Spain
[32] Hosp Univ Basurto, Div Rheumatol, Bilbao, Spain
[33] Hosp Merida, Merida, Spain
[34] Hosp Univ Cent Asturias, Div Rheumatol, Oviedo, Spain
[35] Ramon & Cajal Univ Hosp, Madrid, Spain
[36] Hosp Royo Villanova, Teruel, Spain
[37] Hosp Clin Barcelona, Rheumatol, Barcelona, Spain
[38] Hosp Univ A Coruna, Div Rheumatol, La Coruna, Spain
[39] Hosp Clin Univ Santiago, Div Rheumatol, La Coruna, Spain
[40] Hosp Univ Doctor Peset, Div Rheumatol, Valencia, Spain
[41] Hosp Univ Son Espases, Div Rheumatol, Palma de Mallorca, Spain
[42] Hosp Univ Son Llatzer, Div Rheumatol, Mallorca, Spain
[43] Hosp Univ Reina Sofia, Div Rheumatol, Murcia, Spain
[44] Hosp Univ Marques Valdecilla, Santander, Spain
[45] Hosp Univ Canarias, Santa Cruz de Tenerife, Spain
[46] Hosp Univ Marques Valdecilla, Div Pneumol, IDIVAL, Santander, Spain
[47] Hosp Univ Marques Valdecilla, IDIVAL, Santander, Spain
[48] Spanish Collaborat Grp Interstitial Lung Dis Asso, Madrid, Spain