1. Postgraduate Program of Basic and Applied Immunology Ribeirão Preto Medical School University of São Paulo Ribeirão Preto Brazil
2. Postgraduate Program of Pharmaceutical Sciences Federal University of Rio Grande do Norte Natal Brazil
3. Department of Medicine Division of Clinical Immunology Ribeirão Preto Medical School University of São Paulo Ribeirão Preto Brazil
4. Department of Medicine Division of Endocrinology and Metabolism Ribeirão Preto Medical School University of São Paulo Ribeirão Preto Brazil
5. Department of Medicine Division of Head And Neck Surgery Ribeirão Preto Medical School University of São Paulo Ribeirão Preto Brazil
6. Division of Head And Neck Surgery Hospital Liga Norte Riograndense Contra o Câncer Natal Brazil
7. Division of Pathology Hospital Liga Norte Riograndense Contra o Câncer Natal Brazil
8. Department of Clinical Analysis and Toxicology Federal University of Rio Grande do Norte Natal Brazil