[1] Hosp lsraelita Albert Einstein, Hematol & Stem Cell Transplantat, Sao Paulo, Brazil
[2] GRAAC, Grp Apoio Adolescente Crianca Cam Canc, Sao Paulo, Brazil
[3] Univ Fed Sao Paulo, Disciplina Hematol & Hemoterapia, Sao Paulo, Brazil
[4] Hosp Brigadeiro, Sao Paulo, Brazil
[5] Hosp Amaral Carvalho, Jau, Brazil