1. Department of Internal Medicine, Botucatu Medical School-UNESP, São Paulo State University, Botucatu 18618-687, Brazil
2. Department of Applied Physical Therapy, Federal University of Triângulo Mineiro, Uberaba 38065-430, Brazil
3. Department of Neurology, Botucatu Medical School-UNESP, São Paulo State University, Botucatu 18618-970, Brazil
4. Department of Medicine, Faculty of Medical and Health Sciences, Pontifical Catholic University of São Paulo, Sorocaba 18052-490, Brazil
5. Department of Biostatistics, Botucatu Medical School-UNESP, São Paulo State University, Botucatu 18618-689, Brazil
6. Department of Medicine, Federal University of Sao Carlos-UFSCar, São Carlos 13565-251, Brazil