[1] Univ Padua, Dept Surg Oncol & Gastroenterol, Padua, Italy
[2] Ist Oncol Veneto IRCCS, Oncol 2, Padua, Italy
[3] IRCCS, Azienda Unita Sanit Locale, Reggio Emilia, Italy
[4] Queen Mary Univ London, Barts Canc Inst, London, England
[5] ASST Papa Giovanni XXIII, Bergamo, Italy
[6] Univ Hosp Modena, Dept Med & Surg Sci Mother Children & Adults, Modena, Italy
[7] Ist Nazl Tumori IRCCS Fdn Pascale, Naples, Italy
[8] Azienda ULSS 2 Marca Trevigiana, Treviso, Italy
[9] Santa Maria delle Croci Hosp, Oncol Unit, AUSL Romagna, Ravenna, Italy
[10] Fdn IRCCS Ist Nazl Tumori Milano, Milan, Italy
[11] IRCCS Azienda Osped Univ Bologna, Bologna, Italy
[12] Perrino Hosp, Dept Med Oncol, ASL Brindisi, Brindisi, Italy
[13] Osped Isola Tiberina Gemelli Isola, Rome, Italy
[14] IRCCS Osped Policlin San Martino Genoa, Clin Oncol Dept, Genoa, Italy
[15] Santa Chiara Hosp, Trento, Italy
[16] Univ Piemonte Orientale, Dipartimento Med Traslaz DIMET, Novara, Italy
[17] AULSS6 Camposampiero, Camposampiero, Italy
[18] Univ Parma, Dept Med & Surg, Parma, Italy
[19] Veneto Inst Oncol IOV IRCCS, Clin Res Unit, Padua, Italy
[20] Univ Padua, Veneto Inst Oncol IOV IRCCS, Dept Surg Oncol & Gastroenterol, Oncol Unit 2, Padua, Italy