[1] Univ Padua, Dept Pediat Hematol, Padua, Italy
[2] Univ Padua, Oncol Ctr, Womans & Child Hlth, Padua, Italy
[3] Paul Ehrlich Inst, Div Med Biotechnol, Langen, Germany
[4] Harvard Med Sch, Dana Farber Boston Childrens Canc & Blood Disorde, Boston, MA 02115 USA
[5] Univ Modena & Reggio Emilia, Dept Life Sci, Modena, Italy
[6] Pediat Res Inst City Hope, Padua, Italy