[1] ISGlobal, Barcelona, Spain
[2] CIBER Enfermedades Resp CIBERES, Barcelona, Spain
[3] UPF, Barcelona, Spain
[4] CIBERESP, Barcelona, Spain
[5] Hosp Arnau Vilanova, Serv Neumol, Valencia, Spain
[6] Hosp Univ Parc Tauli, Serv Pneumol, Sabadell, Spain
[7] Hosp del Mar, IMIM, Serv Pneumol, Barcelona, Spain
[8] Univ Pompeu Fabra, DCEXS, Barcelona, Spain
[9] UDC, CHUAC, Direct Proc Asistenciales,SERGAS, Serv Neumol,Inst Invest Biomed A Coruna INIBIC,Ar, La Coruna, Spain
[10] Hosp Univ 12 Octubre, Serv Neumol, Madrid, Spain
[11] Univ Complutense Madrid, Fac Med, Dept Med, Madrid, Spain
[12] Univ La Laguna, Serv Neumol, Unidad Invest, Hosp Univ La Candelaria, Tenerife, Spain
[13] Univ Seville, Unidad Med Quirurg Enfermedades Resp, Inst Biomed Sevilla IBiS, Hosp Univ Virgen del Rocio, Seville, Spain
[14] Hosp Univ Cent Asturias, Serv Neumol, Oviedo, Spain
[15] Hosp Univ Bellvitge, Serv Neumol, Barcelona, Spain
[16] Univ Barcelona, IDIBELL, Barcelona, Spain
[17] Fdn Jimenez Diaz, Univ Hosp, Grp Quiron, Madrid, Spain
[18] Ctr Salud Francia DAO Madrid, Grp Resp SemFYC, Madrid, Spain
[19] Inst Investigat Sanitaria Ias Islas Baleares, Unidad Invest Enfermedades Resp Cron Atenc Primar, Inst Invest Sanitaria Islas Baleares, Palma Mallorca Tenerife, Spain
[20] Hosp Clin Barcelona, Inst Resp, Barcelona, Spain
[21] Univ Barcelona, Barcelona, Spain
[22] Inst Invest August Pi i Sunyer IDIBAPS, Barcelona, Spain
[23] Hosp Univ Son Espases IdISBa, Serv Neumol, Palma de Mallorca, Spain
[24] Hosp Son Espases, Mallorca, Spain
[25] Hosp Clin Barcelona, Barcelona, Spain
[26] Hosp del Mar, Barcelona, Spain
[27] Fdn Jimenez Diaz, Madrid, Spain
[28] Hosp 12 Octubre, Madrid, Spain
[29] Hosp Parc Tauli, Sabadell, Spain
[30] Hosp Virgen del Rocio, Seville, Spain
[31] Hosp Univ Bellvitge, Barcelona, Spain
[32] Hosp Arnau Vilanova, Valencia, Spain
[33] Hosp Univ Cent Asturias, Oviedo, Spain
[34] Hosp Candelaria, Canarias, Spain
[35] Hosp Univ A Coruna, La Coruna, Spain