[1] State Univ Campinas, Hematol & Transfus Ctr, UNICAMP, Campinas, SP, Brazil
[2] Univ Fed Pernambuco, Dept Biofis & Radiobiol, Recife, PE, Brazil
[3] Univ Fed Pernambuco, Dept Ciencias Farmaceut, Recife, PE, Brazil
[4] State Univ Campinas, Inst Fis Gleb Wataghin, UNICAMP, Campinas, SP, Brazil