[1] Hosp Clin Barcelona, Serv Neumol, Barcelona 08036, Spain
[2] Hosp 12 Octubre, Serv Cardiol, Madrid, Spain
[3] Hosp La Fe, Unidad Transplant Pulm, Valencia, Spain
[4] Hosp Galdakao, Serv Neumol, Vizcaya, Spain
[5] Hosp Virgen Rocio, Serv Cardiol, Seville, Spain
[6] Hosp Valle De Hebron, Serv Neumol, Barcelona, Spain
[7] Hosp Puerta Hierro, Serv Cardiol, Madrid, Spain
[8] Hosp Reina Sofia, Serv Neumol, Cordoba, Spain
[9] Hosp Sant Pau, Serv Cardiol, Barcelona, Spain