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