[1] Univ Roma La Sapienza, Dept Radiol Oncol & Human Pathol, Rome, Italy
[2] Univ Politecn Marche, Ancona, Italy
[3] Univ Federico II, Cattedra Oncol Med, Dept Oncol, Naples, Italy
[4] San Camillo & Forlanini Hosp, Rome, Italy
[5] Fdn Piemontese Ric Cancro Onlus, Div Oncol & Ematol, Candiolo, Italy
[6] Osped Policlin Modena, Dept Hematol Oncol, Modena, Italy
[7] Niguarda Ca Grande Hosp, Milan, Italy
[8] Osped Riuniti Bergamo, I-24100 Bergamo, Italy
[9] San Camillo Forlanini Hosp, Rome, Italy
[10] Ist Nazl Tumori, Fdn IRCCS, I-20133 Milan, Italy