1. Faculty of Medicine of Ribeirão Preto; Blood Center of Ribeirão Preto; University of São Paulo; Brazil
2. Faculty of Medicine of Ribeirão Preto; Department of Clinical Medicine; University of São Paulo; Brazil
3. Faculty of Pharmaceutical Sciences; Department of Clinical, Toxicological and Bromatological Analyses; University of São Paulo; Brazil
4. Faculty of Medicine of Ribeirão Preto; Department of Pediatrics; University of São Paulo; Brazil