1. Department of Biology, Institute of Bioscience, University of São Paulo, São Paulo, Brazil.
2. Child Neurology Service, Department of Neurology, Hospital das Clínicas, School of Medicine, University of São Paulo, São Paulo, Brazil.
3. Pediatric Endocrinology Unit, Department of Pediatrics, Hospital das Clínicas, School of Medicine, University of São Paulo, São Paulo, Brazil.