1. Department of Neurology School of Medical Sciences—University of Campinas (UNICAMP) Campinas São Paulo Brazil
2. Ataxia Unit, Department of Neurology Federal University of São Paulo (UNIFESP) São Paulo Brazil
3. Department of Medical Genetics School of Medical Sciences—University of Campinas (UNICAMP) Campinas São Paulo Brazil
4. Department of Neuroscience and Behavioral Science School of Medicine—University of São Paulo (USP) of Ribeirão Preto Ribeirão Preto Brazil