[1] Regina Margher Childrens Hosp, Stem Cell Transplantat & Cellular Therapy Div, Pediat Onco Hematol, Turin, Italy
[2] Univ Turin, Dept Sci Publ Hlth & Pediat, Turin, Italy
[3] Azienda Ospedaliero Universitaria Modena, Dept Oncol & Hematol, Modena, Italy
[4] Univ Modena & Reggio Emilia, Dept Med & Surg Sci, Modena, Italy
[5] Univ Torino, Dept Clin & Biol Sci, Turin, Italy
[6] Ctr Riferimento Oncol, AYA Oncol & Dept Radiat Oncol, Aviano, Italy
[7] IRCCS Osped Policlin San Martino, Dept Med Oncol, UO Clin Oncol Med, Genoa, Italy
[8] Univ Genoa, Sch Med, Dept Internal Med & Med Specialties DiMI, Genoa, Italy
[9] Univ Milano Bicocca, Fdn IRCCS San Gerardo Tintori, Dept Pediat, Monza, Italy
[10] Bambino Gesu Children Hosp, Dept Pediat Onco Hematol & Cell & Gene Therapy, Rome, Italy
[11] Univ Palermo, Dept Surg, Oncol & Oral Sci Sect Med Oncol, Palermo, Italy
[12] Portsmouth Hosp Univ NHS Trust, Portsmouth PO6 3LY, England
[13] European Inst Oncol IRCCS, Gynecol Oncol Dept, Milan, Italy
[14] Fdn IRCCS Ist Nazl Tumori, Pediat Oncol Unit, Milan, Italy
[15] European Inst Oncol IRCCS, Via Ripamonti 435, I-20141 Milan, Italy