1. Hemotherapy Center of Ribeirão Preto; Ribeirão Preto Medical School, University of São Paulo; Ribeirão Preto SP Brazil
2. Dept. of Internal Medicine; Ribeirão Preto Medical School, University of São Paulo; Ribeirão Preto SP Brazil
3. Dept. of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo; Ribeirão Preto SP Brazil