1. Blood Center of Ribeirão Preto, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
2. Department of Internal Medicine, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
3. Faculty of Ceilândia, University of Brasilia, Federal District, Brazil
4. Center for Tropical Medicine, University of Brasilia, Federal District, Brazil
5. Blood Center of Brasilia, Federal District, Brazil
6. Department of Clinical, Toxicological and Bromatological Analyses, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil