[1] Hospital Universitario La Paz,Pneumology Service
[2] IdiPAZ,Pneumology Department
[3] Fundació Clinic,Medical Department
[4] Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS),Pneumology Department
[5] Hospital Clínic,Pneumology Department
[6] Fundación Caubet-CIMERA Illes Balears,undefined
[7] Bunyola,undefined
[8] Illes Balears,undefined
[9] and CIBER de Enfermedades Respiratorias,undefined
[10] Hospital Reina Sofía,undefined
[11] IMIM/CREAL Barcelona,undefined
[12] GlaxoSmithkline S.A.,undefined
[13] Hospital de Cruces,undefined
[14] Hospital La Princesa,undefined