Daiana Stolz1, Marc Miravitlles2. 1. Clinic of Respiratory Medicine and Pulmonary Cell Research, University Hospital, Basel, Switzerland. 2. Pneumology Dept, Hospital Universitari Vall d'Hebron/Vall d'Hebron Research Institute, CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain marcm@separ.es.