[1] Fundació Clínic. Institut D'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS). Ciber de Enfermedades Respiratorias (CIBERES),Department of Pneumology
[2] Hospital Germans Trias i Pujol. Autonomous University of Barcelona; Ciber de Enfermedades Respiratorias (CIBERES),Department of Pneumology
[3] Hospital Germans Trias i Pujol,Medical Department
[4] Ciber de Enfermedades Respiratorias (CIBERES),Department of Pneumology
[5] Badalona,undefined
[6] Bayer Schering Pharma,undefined
[7] Sant Joan Despi,undefined
[8] Institut Clínic del Tòrax (IDIBAPS),undefined
[9] Hospital Clínic,undefined
[10] Ciber de Enfermedades Respiratorias (CIBERES),undefined