1. Hospital das Clinicas da Faculdade de Medicina de Ribeirao Preto, USP. Laboratorio de Pediatria, Bloco G. Av. Bandeirantes, 3900. Bairro Monte Alegre. CEP 14048-900, Ribeirao Preto-SP, Brazil
2. Faculty of Philosophy, Sciences and Letters at Ribeirao Preto, Ribeirao Preto, Brazil
3. Department of Genetics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Brazil