1 1 Ataxia Unit, Department of Neurology and Neurosurgery, Federal University of São Paulo School of Medicine, São Paulo, SP, Brazil jlpedroso.neuro@gmail.com.
2 2 Movement Disorders Unit, Neurology Service, Department of Internal Medicine, Federal University of Juiz de Fora School of Medicine, Juiz de Fora, MG, Brazil.
3 3 Neurogenetics Unit, Department of Neurology, University of São Paulo School of Medicine, São Paulo, SP, Brazil.
4 1 Ataxia Unit, Department of Neurology and Neurosurgery, Federal University of São Paulo School of Medicine, São Paulo, SP, Brazil.
5 3 Neurogenetics Unit, Department of Neurology, University of São Paulo School of Medicine, São Paulo, SP, Brazil 4 Mendelics Genomic Analysis, São Paulo, SP, Brazil.