1. Division of Medical Oncology 2, “Regina Elena” National Cancer Institute, Rome, Italy
2. Biostatistics Unit, “Regina Elena” National Cancer Institute, Rome, Italy
3. Division of Oncology, S. Anna Hospital, Ferrara, Italy
4. Department of Experimental and Clinical Sciences, University “G. d'Annunzio”, Chieti, Italy
5. Medical Oncology Unit ASL Frosinone, Frosinone, Italy
6. Department of Medico-Surgical Sciences and Biotechnologies, “Sapienza” University of Rome, Oncology Unit, Istituto Chirurgico Ortopedico Traumatologico, Latina, Italy
7. Oncology Unit I, Azienda Ospedaliera Universitaria Pisana, Pisa, Italy
8. Department of Oncology, Division of Medical Oncology, Belcolle Hospital, ASL Viterbo, Viterbo, Italy
9. Department of Oncology, Ospedale Sacro Cuore Don Calabria, Negrar, Verona, Italy
10. Department of Medical Oncology, S. Luca Hospital, Lucca, Italy
11. Division of Medical Oncology, IRCCS, Giovanni Paolo II Hospital, Bari, Italy
12. Medical Oncology, Catholic University of Sacred Heart, Rome, Italy
13. Department of Medical Oncology, University Campus Bio-Medico, Rome, Italy
14. Medical Oncology, Ospedale San Giovanni Calibita Fatebenefratelli, Rome, Italy
15. Oncology Unit, Sant'Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
16. Medical Oncology, S. Spirito Hospital, Rome, Italy
17. Scientific Direction, “Regina Elena” National Cancer Institute, Rome, Italy
18. Department of Molecular Medicine, “Umberto I”, “Sapienza” University of Rome, Roma, Italy
19. Investigative Clinical Oncology, Fondazione del Piemonte per l'Oncologia-Candiolo Cancer Institute (IRCCs), Candiolo, Italy
20. Division of Medical Oncology, Ospedale Civile di Saluzzo, Saluzzo, Italy