[1] Dept Med Oncol, Venice, Italy
[2] San Paolo Hosp, Med Oncol Unit, Milan, Italy
[3] San Paolo Hosp, Med Oncol, Milan, Italy
[4] European Inst Oncol, Med Oncol Unit Urogenital & Head & Neck Tumors, Milan, Italy
[5] IRCCS Caa Sollievo Sofferenza, UOC Oncol, San Giovanni Rotondo, Italy
[6] Oncol Unit ASL 13, Dept Internal Med Sci, Mirano, Italy
[7] Dept Oncol, Modena, Italy
[8] Azienda USL, Med Oncol Dept, Ravenna, Italy
[9] Policlin St Orsola Malpighi, Dept Med Oncol, Bologna, Italy
[10] Dipartimento Sci Med Internist, Cagliari, Italy
[11] Univ Hosp Udine, Dept Oncol, Udine, Italy
[12] Mater Salutis Hosp AULSS 21 Reg Veneto, Dept Oncol, Legnago, Italy
[13] Osped Niguarda Ca Granda Milano, Milan, Italy
[14] Azienda Osped, Div Med Oncol, Perugia, Italy
[15] Ist Oncol Veneto IRCCS, Padua, Italy
[16] Osped Riuniti Trieste, Dept Oncol, Oncol Unit, Trieste, Italy
[17] Osped Ca Foncello, Div Med Oncol, Treviso, Italy
[18] Ist Ric Farmacol, Lab Clin Trials, Dept Oncol, Milan, Italy