1Institute of Immunology and Infectious Diseases, University of Verona, Ospedale Civile Maggiore, I-37126 Verona, Italy, , IT
2Institute of Cardiovascular Surgery, University of Verona, Ospedale Civile Maggiore, I-37126 Verona, Italy, , IT
3Bronchoscopy Unit, University of Verona, Ospedale Civile Maggiore, I-37126 Verona, Italy, , IT