1. Oncology Unit, Medical Department, ASST Bergamo Ovest, 24047, Treviglio, Italy
2. Medical Oncology Unit, ASST Papa Giovanni XXIII, 24127, Bergamo, Italy
3. Oncology Unit, Ospedale Casa Sollievo della Sofferenza, 71013, San Giovanni Rotondo, Foggia, Italy
4. Division of Medical Oncology 2, “Regina Elena” National Cancer Institute, 00128, Rome, Italy
5. Oncology Unit 1, Azienda Ospedaliera Universitaria Pisana, 56126, Pisa, Italy
6. Medical Oncology Division and Breast Unit, “Senatore Antonio Perrino” Hospital, 72100, Brindisi, Italy
7. Unit of Medical Oncology and Cancer Prevention, IRCCS Centro di Riferimento Oncologico Aviano-National Cancer Institute, 33081, Aviano, Italy
8. Laboratory of Methodology for Clinical Research, Oncology Department, IRCCS – Istituto di Ricerche Farmacologiche Mario Negri, 20156, Milan, Italy
9. Department of Internal Medicine, University of Genova, Ospedale Policlinico San Martino, 16132, Genoa, Italy
10. Medical Oncology, Department of Medicine, University of Udine, 33100, Udine, Italy