1. Division of Thoracic Surgery, Sant'Andrea Hospital, Faculty of Medicine and PsychologyUniversity of Rome ‘Sapienza’ Rome Italy
2. Division of Thoracic Surgery, Policlinico Umberto I, Faculty of Pharmacy and MedicineUniversity of Rome ‘Sapienza’ Rome Italy
3. Fondazione Eleonora Lorillard Spencer Cenci Rome Italy
4. Division of Thoracic SurgeryUniversitàdegliStudidella Campania “Luigi Vanvitelli” Naples Italy