[1] Humanitas Canc Ctr, Rozzano, Italy
[2] Arcispedale S Maria Nuova, Div Oncolgy, Reggio Emilia, Italy
[3] Osped Riuniti Bergamo, Bergamo, Italy
[4] Azienda Osped Univ, Unita Oncol Med, Parma, Italy
[5] Azienda Osped San Paolo, Milan, Italy
[6] Policlin Umberto 1, Div Med Oncol, Rome, Italy
[7] IRCCS Policlin San Matteo, Pavia, Italy
[8] Ramazzini Hosp, Div Med Oncol, Carpi, Italy
[9] Osped Gen Prov, Macerata, Italy
[10] Humanitas Canc Ctr, Dept Gen Surg, Rozzano, Italy
[11] Univ Milan, Sch Med, Rozzano, Italy