[1] Univ Sao Paulo, Fac Med Ribeirao Preto, Pediat, Ribeirao Preto, Brazil
[2] Univ Montpellier, Inst Rech Cancerol Montpellier, Montpellier, France
[3] Univ Sao Paulo, Fac Med Ribeirao Preto, Genet, Ribeirao Preto, Brazil
[4] Univ Sao Paulo, Fac Med Ribeirao Preto, Surg & Anat, Ribeirao Preto, Brazil