1. Thoracic Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
2. Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
3. Biostatistics, Regina Elena National Cancer Institute, IRCCS, Rome, Italy
4. Thoracic Surgery Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
5. Medical Oncology, Università Cattolica del Sacro Cuore, Rome, Italy
6. General and Thoracic Surgery, University Hospital “SS. Annunziata”, Chieti, Italy
7. Thoracic Surgery, Arcispedale Santa Maria Nuova-IRCCS, Reggio Emilia, Italy
8. Department of Thoracic Surgery, University of Turin, San Giovanni Battista Hospital, Turin, Italy
9. Division of Thoracic Surgery, IRCCS AOU “San Martino” IST, Genoa, Italy
10. Thoracic Surgery Division, European Institute of Oncology, University of Milan, Milan, Italy
11. Thoracic Surgery Unit, Regina Elena National Cancer Institute-IFO, Rome, Italy