[1] Univ Hosp Arnau de Vilanova & Santa Maria, IRBLleida, Translat Res Resp Med, Avda Alcalde Rovira Roure 80, Lleida 25198, Spain
[2] Inst Hlth Carlos III, CIBER Resp Dis CIBERES, Madrid, Spain
[3] ParcTauli Hosp Univ, Crit Care Ctr, Inst Invest & Innovacio Parc Tauli I3PT, Sabadell, Spain
[4] Hosp Clin Barcelona, Dept Pneumol, Barcelona, Spain
[5] Univ Barcelona, August Pi & Sunyer Biomed Res Inst IDIBAPS, Barcelona, Spain
[6] Vall dHebron Hosp Univ, Vall dHebron Inst Recerca VHIR, Intens Care Dept, SODIR Res Grp, Barcelona, Spain
[7] Barcelona Supercomp Ctr BSC, Barcelona, Spain
[8] Univ & Polytech Hosp La Fe, Pulmonol Serv, Valencia, Spain
[9] Hosp Univ Getafe, Madrid, Spain
[10] Univ Europea, Madrid, Spain
[11] Hosp Univ Rio Hortega Valladolid, Valladolid, Spain
[12] Inst Invest Biomed Salamanca IBSAL, Grp Biomed Res Sepsis BioSepsis, Salamanca, Spain
[13] Hosp Univ Marques de Valdecilla, Serv Med Intens, Santander, Spain
[14] Hosp Univ Germans Trias, Serv Med Intens, Badalona, Spain
[15] Hosp Univ Torrejon Univ Francisco de Vitoria, Madrid, Spain
[16] Hosp Univ Basurto, Serv Anestesiol & Reanimac, Bilbao, Spain
[17] Hosp Joan 23, Crit Care Dept, Tarragona, Spain
[18] Hosp Cruces, Serv Med Intens, Baracaldo, Vizcaya, Spain
[19] Hosp Univ La Princesa, Intens Care Unit, Madrid, Spain
[20] Hosp Univ Reina Sofia, Inst Maimonides IMIBIC, UGC Med Intens, Cordoba, Spain
[21] Hosp Dr Negrin Gran Canaria, Crit Care Dept, Las Palmas Gran Canaria, Gran Canaria, Spain
[22] Univ Fernando Pessoa, Canarias, Spain
[23] Hosp Univ Segovia, Segovia, Spain
[24] Hosp Univ Son Espases, Serv Med Intens, Palma De Mallorca, Illes Balears, Spain
[25] Univ San Pablo CEU, Hosp Univ HM Monteprincipe, Madrid, Spain
[26] Hosp Univ Virgen de Rocio, Intens Care Clin Unit, Seville, Spain
[27] Hosp Univ Virgen Macarena, Intens Care Clin Unit, Seville, Spain
[28] Hosp San Juan de Dios del Aljarafe, Intens Care Unit, Seville, Spain
[29] Hosp Gen Univ Gregorio Maranon, Madrid, Spain
[30] Hosp Univ Ramon y Cajal, Serv Med Intens, Madrid, Spain
[31] Hosp Univ Rio Hortega Valladolid, Crit Care Dept, Valladolid, Spain
[32] Hosp Univ Principe Asturias, Serv Med Intens, Madrid, Spain
[33] Hosp Punta Europa, Serv Med Intens, Algeciras, Spain
[34] Hosp Univ 12 Octubre, Dept Intens Care Med, Madrid, Spain
[35] Hosp St Joan Alacant, Alacant, Spain
[36] Hosp Univ Lucus Augusti, Crit Care Dept, Lugo, Spain
[37] Hosp Nuestra Senora de Gracia, Intens Care Dept, Zaragoza, Spain
[38] Hosp Univ Mostoles, Madrid, Spain
[39] Hosp Univ Bellvitge, Dept Intens Care, Barcelona, Spain
[40] Bellvitge Biomed Res Inst IDIBELL, Barcelona, Spain
[41] Clin Sagrada Familia, Pulm & Crit Care Div, Barcelona, Spain
[42] Clin Sagrada Familia, Emergency Dept, Barcelona, Spain
[43] Hosp Clin Univ Valladolid, Dept Intens Care Med, Valladolid, Spain
[44] Hosp Univ Leon, Leon, Spain
[45] Hosp Arnau Vilanova, Crit Care Dept, Lleida, Spain
[46] IRBLleida, Lleida, Spain
[47] Hosp Univ San Pedro de Alcantara, Unidad Cuidados Intens, Caceres, Spain
[48] Hosp Univ Infanta Leonor, Dept Intens Med, Madrid, Spain
[49] Hosp Univ & Politecn La Fe, Serv Med Intens, Valencia, Spain
[50] Hosp Univ Mutua Terrassa, Serv Med Intens, Barcelona, Spain