[1] Fdn IRCCS Natl Inst Tumors, Milan, Italy
[2] Univ Roma La Sapienza, Oncol Unit, Rome, Italy
[3] Univ Politecn Marche, AO Osped Riuniti, Ancona, Italy
[4] Univ Naples Federico II, Naples, Italy
[5] San Camillo Forlanini Hosp Rome, Rome, Italy
[6] Ist Ric & Cura Canc, Candiolo, Italy
[7] Policlin Modena, Div Med Oncol, Azienda Osped Univ, Modena, Italy
[8] Niguarda Ca Grande Hosp, Milan, Italy
[9] Osped Riuniti Bergamo, Bergamo, Italy
[10] Ist Clin Humanitas, Milan, Italy