[1] Univ Fed Sao Paulo, UNIFESP, Dept Oncol Clin & Expt, Sao Paulo, Brazil
[2] Inst Canc Estado Sao Paulo, Ctr Invest Translac Oncol, Sao Paulo, Brazil
[3] Hosp Serv Publ Estadual Sao Paulo, IAMSPE, Sao Paulo, Brazil
[4] Hosp Santa Marcelina, Assoc TUCCA Criancas & Adolescentes Com Canc, Dept Oncol Pediat, Sao Paulo, Brazil
[5] Univ Fed Minas Gerais, ICB UFGM, Inst Ciencias Biol, Dept Morphol, Belo Horizonte, MG, Brazil
[6] Univ Estadual Paraiba, UEPB, Dept Estat, Campina Grande, Brazil
[7] HAOC, Hematol Div, Sao Paulo, Brazil