1. Medical Oncology Unit, ASL Frosinone; Frosinone Italy
2. Division of Medical Oncology 2; IRCCS Regina Elena National Cancer Institute; Rome Italy
3. IRCCS Regina Elena National Cancer Institute; Bio-Statistics Unit; Rome Italy
4. Division of Medical Oncology, Department of Oncology and Hematology; University Hospital of Modena; Modena Italy
5. Medical Oncology Unit Policlinico Sant'Andrea; Rome Italy
6. Medical Oncology, University of Verona; Azienda Ospedaliera Universitaria Integrata; Verona Italy
7. UO Oncologia Medica I, Ospedale S. Chiara, Dipartimento di oncologia, dei trapianti e delle nuove tecnologie; Azienda Ospedaliera Universitaria Pisana; Pisa Italy
8. Department of Medical, Oral and Biotechnological Sciences; Centro Scienze dell'Invecchiamento e Medicina Traslazionale − CeSI-MeT; University G. D'Annunzio; Chieti Italy
9. Department of Medical Oncology; Catholic University of Sacred Heart; Rome Italy
10. Department of Radiotherapy; IRCCS Regina Elena National Cancer Institute; Rome Italy
11. UOSD Oncologic Surgery; Ospedaletto SS Trinità; Sora Lazio Italy
12. Department of Medicine, Surgery and Neuroscience; University of Siena and Istituto Toscano Tumori (ITT); Siena Italy
13. Sbarro Institute for Cancer Research and Molecular Medicine, Department of Biology, College of Science and Technology; Temple University; Philadelphia Pennsylvania
14. Scientific Direction; IRCCS Regina Elena National Cancer Institute; Rome Italy