[1] Azienda Osped Padova, Clin Oncoematol Pediat, Padua, Italy
[2] Univ Padua, Dipartimento Salute Donna & Bambino, Padua, Italy
[3] Fdn Citta Speranza, Lab Oncoematol Pediat, Ist Ric Pediat, Fifth Floor,Corso Stati Uniti 4, I-35127 Padua, Italy
[4] Univ Milan, Ctr Ric Tettamanti, Clin Pediat, Milan, Italy
[5] Columbia Univ, Dept Syst Biol, New York, NY USA
[6] Columbia Univ, Dept Biomed Informat, New York, NY USA
[7] Columbia Univ, Inst Canc Genet, New York, NY USA
[8] Columbia Univ, Dept Pathol, New York, NY USA
[9] Columbia Univ, Dept Pediat, New York, NY 10027 USA