1. Medical Oncology Unit, Department of Oncology, San Donato Hospital, 52100 Arezzo, Italy; Department of Oncology USL8, Istituto Toscano Tumori (ITT), San Donato Hospital, Via Pietro Nenni 20, 52100 Arezzo, Italy
2. Medical Oncology Unit, Policlinico Hospital, Bari, Italy
3. Department of Oncohematology, University Hospital of Parma, Parma, Italy
4. Medical Oncology Unit, Sant’Andrea Hospital, Sapienza University of Rome & IDI-IRCCS, Rome, Italy
5. Medical Oncology San Raffaele Hospital, Milan, Italy
6. National Cancer Institute, Aviano, Italy
7. Oncology Department, IRCSS Istituto Oncologico Veneto, Padua, Italy
8. Medical Oncology Unit 2, University Hospital Careggi, Tuscany Cancer Institute, Florence, Italy
9. Medical Oncology Unit, Pope John Paul XXIII Hospital, Bergamo, Italy
10. Medical Oncology Unit, University Hospital S Luigi, Orbassano, Italy
11. Department of Internal Medicine, School of Medical & Pharmaceutical Sciences, University of Genoa & Academic Unit of Medical Oncology (Medical Oncology B), IRCCS AOU San Martino-IST, Genoa, Italy
12. Department of Oncohematology, Cardarelli Hospital, Naples, Italy
13. Medical Oncology Unit, S Orsola-Malpighi Hospital, Bologna, Italy
14. IRCCS AOU San Martino-IST, Genoa, Italy
15. Department of Medical Oncology, Ospedale Riuniti Marche Nord Hospital, Pesaro, Italy
16. IRCCS National Cancer Institute, Milan, Italy
17. Medical Oncology Unit, Lecce Hospital, Lecce, Italy
18. Medical Oncology Unit, Sassari Hospital, Sassari, Italy
19. Oncology Division, Medical Affairs, Sanofi-Aventis, Milan, Italy
20. Department of Medical Oncology, Federico II University, Naples, Italy