1. U.O. Oncologia Medica 2, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
2. U.O. Oncologia Medica 2, Azienda Ospedaliero-Universitaria Pisana, Istituto Toscano Tumori, Pisa, Italy
3. Medical Oncology 1, Istituto Oncologico Veneto IOV - IRCCS, Padova, Italy
4. Istituti Ospitalieri di Cremona, Cremona, Italy
5. Dipartimento di Oncologia Medica, Istituto Scientifico San Raffaele, Milano, Italy
6. Department of Medical Oncology, Casa di Cura Poliambulanza, Brescia, Italy
7. Department of Medical Oncology, Campus Bio-Medico University of Rome, Rome, Italy
8. U.O. Oncologia Medica, Ospedale Versilia, Viareggio, Italy
9. Medical Oncology Unit, National Cancer Institute, Genoa, Italy
10. “S. Maria Nuova” Hospital, Reggio Emilia, Italy
11. Division of Medical Oncology, USL 5 Pontedera, Pontedera, Italy
12. Medical Oncology Unit, University Hospital of Parma, Parma, Italy
13. Catholic University, Rome, Italy
14. U.O. Oncologia, Ospedale Sant'Elia, Caltanissetta, Italy
15. E. O. Ospedali Galliera, Genoa, Italy
16. U.O. Oncologia Medica, Azienda Sanitaria Ospedaliera S. Croce e Carle, Cuneo, Italy
17. Azienda Ospedaliera Universitaria Pisana, Pisa, Italy
18. Istituto Toscano Tumori, Florence, Italy
19. Clinical Trial Coordinating Center, AOU Careggi, Istituto Toscano Tumori (ITT), Firenze, Italy