[1] G Gaslini Children Res Inst, Dept Hematol Oncol, I-16148 Genoa, Italy
[2] G Gaslini Children Res Inst, Hematopoiet Stem Cell Unit, I-16148 Genoa, Italy
[3] Univ Pavia, Policlin San Matteo, Fdn IRCCS, Lab Transplantat Immunol & Pediat Hematol Oncol, I-27100 Pavia, Italy
[4] Univ Brescia, Dept Pediat, Brescia, Italy
[5] Univ Brescia, Inst Mol Med A Nocivelli, Brescia, Italy