1. Departement of Thoracic Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
2. Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
3. Department of Thoracic Surgery, “Pierangeli” Hospital, 65124 Pescara, Italy
4. Division of Pulmonology, Sant’Anna Hospital, 22020 San Fermo della Battaglia, Italy
5. Faculty of Medicine and Surgery, University of Insubria, 21100 Varese, Italy
6. Respiratory Unit, Department of Health Sciences, ASST Santi Paolo e Carlo, San Paolo Hospital, University of Milan, 22020 Milan, Italy
7. Department of Pulmonology, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy