1. Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Rome, Italy
2. Biostatistics Unit and Clinical Trial Center, IRCCS Regina Elena National Cancer Institute, Rome, Italy
3. Medical Oncology Unit, Policlinico Sant'Andrea, Rome, Italy
4. Department of Surgery, IRCCS Regina Elena National Cancer Institute, Rome, Italy
5. Division of Medical Oncology, Villa San Pietro Hospital, Rome, Italy
6. Department of Medical-Surgical Sciences and Biotechnologies, La “Sapienza” University of Rome, Italy
7. Department of Medical, Oral and Biotechnological Sciences and CeSI-MeT, G. D'Annunzio University, Chieti, Italy
8. Medical Oncology Unit, ASL Frosinone, Frosinone, Italy
9. Department of Medical Oncology, Catholic University of Sacred Heart, Rome, Italy
10. Oncology Unit, ASL Roma 1, Santo Spirito Hospital, Rome, Italy
11. Medical Oncology Unit, ASL Nuoro, Nuoro, Italy
12. Division of Oncology, Complesso Ospedaliero Belcolle, AUSL Viterbo, Viterbo, Italy
13. Division of Medical Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
14. Oncology Unit I, Azienda Ospedaliera Universitaria Pisana, Pisa, Italy
15. Medical Oncology Unit, Regina Apostolorum Hospital, Albano, Rome, Italy
16. Scientific Direction, IRCCS Regina Elena National Cancer Institute, Rome, Italy
17. Sbarro Institute for Cancer Research and Molecular Medicine e del Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, USA