1. Division of Endocrinology & Metabolism, University of São Paulo, São Paulo, Brazil.
2. Department of Clinical and Toxicology Analysis, School of Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, Brazil.
3. Department of Pathology, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil.
4. Department of Clinical Analysis, School of Pharmaceutical Sciences; University of São Paulo, São Paulo, Brazil.
5. Division of Clinical Immunology, Department of Internal Medicine, University of São Paulo, São Paulo, Brazil.