1. Academic Thoracic Surgery Unit, A.O.U. Policlinico-Vittorio Emanuele, Catania, Italy
2. Department of Surgery, University of Catania, Catania, Italy
3. Radiotherapy Unit, A.O.U. Policlinico-Vittorio Emanuele, University of Catania, Catania, Italy
4. Oncology Unit, A.O.U. Policlinico-Vittorio Emanuele, Catania, Italy
5. Radiology Unit, A.O.U. Policlinico-Vittorio Emanuele, University of Catania, Catania, Italy
6. Pneumology Unit, A.O.U. Policlinico-Vittorio Emanuele, Catania, Italy
7. Thoracic Surgery Unit, University of Palermo, Palermo, Italy
8. Department of Clinical & Molecular Bio-Medicine, University of Catania, Catania, Italy