[1] Univ Florence, Sch Human Hlth Sci, Dept Human Hlth Sci, Largo Brambilla 3, I-50134 Florence, Italy
[2] San Bortolo Gen Hosp, Dept Oncol, AULSS8 Ber, Vicenza, Italy
[3] IRCCS CROB, Div Med Oncol, Dept Onco Hematol, Referral Canc Ctr Basilicata, Via Padre Pio 1, Vulture, PZ, Italy
[4] Univ Siena, Dept Med Surg & Neurosci, Med Oncol Unit, Viale Bracci Policlin LeScotte, I-53100 Siena, Italy
[5] Univ Trieste, Piazza Ospitale, Oncol Unit, Dept Med Surg & Hlth Sci, Trieste, Italy
[6] Univ Florence, Dept Hlth Sci, Viale Pieraccini 6, I-50139 Florence, Italy