1. Department of Medicine, Albert Einstein Israeli Faculty of Health Sciences, São Paulo, Brazil.
2. Department of Medicine, Catanduva Medical School (FAMECAUNIFIPA), Catanduva, Brazil.
3. Department of Medicine, Santa Casa de Sao Paulo School of Medical Sciences, Sao Paulo, Brazil.
4. Department of Medicine, São Leopoldo Mandic, Campinas, Brazil.
5. Department of Neurosurgery, Hospital Saúde de Caxias do Sul, Caxias do Sul, Brazil.
6. Department of Neurology, Pontifical Catholic University of São Paulo, Sorocaba, Brazil.