Cesare Gridelli1, Paolo Antonio Ascierto2, Francesco Grossi3, Editta Baldini4, Adolfo Favaretto5, Maria Chiara Garassino6, Alessandro Morabito7, Maria Rita Migliorino8, Antonio Rossi9, Filippo de Marinis10. 1. Division of Medical Oncology, "S. G. Moscati" Hospital, Avellino, Italy. 2. Unit of Melanoma, Cancer Immunotherapy and Development Therapeutics Istituto Nazionale Tumori Fondazione G. Pascale, Napoli, Italy. 3. Lung Cancer Unit, IRCCS AOU San Martino-IST Istituto Nazionale per la Ricerca sul Cancro, L.go R. Benzi 10, 16132 Genova, Italy. 4. Department of Medical Oncology, Medical Oncology Div. S. Luca Hospital, Lucca, Italy. 5. Departement of Medical Oncology, Ospedale Ca` Foncello, AULSS 2, Marca Trevigiana, Treviso, Italy. 6. Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy. 7. Thoracic Medical Oncology, Istituto Nazionale Tumori, Fondazione G. Pascale - IRCCS, Napoli, Italy. 8. Pulmonary Oncology Unit, San Camillo-Forlanini Hospital, Rome, Italy. 9. Division of Medical Oncology, IRCCS Casa Sollievo della Sofferenza Hospital, San Giovanni Rotondo (FG), Italy. 10. Thoracic Division, Medical Oncology Department, European Institute of Oncology, Milan, Italy.