1. Department of Neurology, Hospital Vila da Serra, Belo Horizonte, Minas Gerais, Brazil
2. Department of Neurology, Faculdades Unidas do Norte de Minas-FUNORTE, Montes Claros, Brazil
3. Department of Neurology, Faculdades Integradas Pitágoras-UNIFIPMOC, Montes Claros, Brazil