1 Pulmonology Department, Thorax Institute, Hospital Clínic, Barcelona, Spain; CELLEX Research Laboratories, CibeRes (Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, 06/06/0028), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Faculty of Medicine, Dept. of Medicine, University of Barcelona, Spain. Electronic address: [email protected].
2 Pulmonology Department, Thorax Institute, Hospital Clínic, Barcelona, Spain; CELLEX Research Laboratories, CibeRes (Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, 06/06/0028), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Faculty of Pharmacy and Food Sciences, Dept. of Microbiology, University of Barcelona, Spain.