1. Molecular Biology Laboratory; Blood Transfusion Center; Botucatu Medical School; Sao Paulo State University, UNESP; São Paulo Brazil
2. Department of Bioprocess and Biotechnology; School of Agricultural Sciences; Lageado Experiment Station. Sao Paulo State University, UNESP; Botucatu-SP Brazil
3. Tropical Diseases Department; Botucatu Medical School; Sao Paulo State University UNESP; São Paulo Brazil
4. Department of Internal Medicine; Botucatu Medical School; Sao Paulo State University UNESP; São Paulo Brazil
5. Department of Biostatistics; Institute of Bioscience, UNESP; São Paulo Brazil