[1] Univ Hosp, Pediat Hematooncol Unit, Padua, Italy
[2] Gaslini Childrens Hosp, Hematooncol Unit, Genoa, Italy
[3] Bambino Gesu Pediat Hosp, IRCCS, Pediat Hematooncol Dept, Rome, Italy
[4] Univ Turin, Regina Margherita Hosp, Hematooncol Unit, Turin, Italy
[5] Univ Bari, Dept Pediat, Bari, Italy
[6] Pausilipon Hosp, Pediat Hematooncol Unit, Naples, Italy
[7] Milano Bicocca Univ, Fdn MBBM, S Gerardo Hosp, Monza, Italy
[8] Meyer Univ Hosp, Pediat Hematooncol Dept, Florence, Italy
[9] Univ Cagliari, Pediat Hematooncol Dept, Cagliari, Italy
[10] Univ Hosp, Catania, Italy
[11] Dept Hematol, Catanzaro, Italy
[12] Univ Pisa, S Chiara Hosp, Hematooncol Unit, Pisa, Italy
[13] GB Rossi Hosp, Pediat Hematooncol Unit, Verona, Italy
[14] Univ Trieste, Pediat Hematol Unit, Trieste, Italy
[15] ARNAS, Pediat Hematooncol Unit, Palermo, Italy
[16] Univ Bologna, St Orsola Malpighi Hosp, Hematooncol Unit, Bologna, Italy