1. Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
2. Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
3. Thoracic Surgery Unit, Policlinico—San Marco Hospital, University of Catania, 95124 Catania, Italy