[1] Gen Hosp, Med Oncol Unit, La Spezia, Italy
[2] Ist Oncol Veneto IRCCS, UOC Oncol Med 1, Dipartimento Oncol Clin Sperimentale, Padua, Italy
[3] Centro Oncol Fiorentino, Sesto Fiorentino, Italy
[4] OECI Clin Canc Ctr, IRCCS Arcispedale S Maria Nuova, Med Oncol Unit, Reggio Emilia, Italy
[5] Garibaldi Nesima Hosp, Med Oncol Unit, Catania, Italy
[6] San Carlo Hosp, Med Oncol Unit, Potenza, Italy
[7] Grande Osped Metropolitano Niguarda, Niguarda Canc Ctr, Milan, Italy
[8] Azienda Sanitaria Locale 1, Massa Carrara, Italy
[9] Med Oncol Santa Chiara Hosp, Trento, Italy
[10] Inst Sci Romagnolo Studio Cura Tumori, Meldola, Italy
[11] Dipartimento Oncol AOU Maggiore Carita Novar, Novara, Italy
[12] Dept Med Oncol, Legnago, Italy
[13] Med Oncol & Hematol Unit, Humanitas Canc Ctr, Humanitas Clin & Res Ctr, Rozzano, MI, Italy
[14] Azienda Osped Univ, Modena, Italy
[15] Osped S G Moscati, Taranto, Italy
[16] Osped San Giovanni Calibita, Grottaferrata, Italy
[17] Reg Hosp, Med Oncol Unit, Rio Nero in Vulture, Italy
[18] Azienda Osped Univ, Udine, Italy
[19] Clin Trials Coordinating Ctr, AOU Careggi, Ist Toscano Tumori, Florence, Italy