1. Department of Infectious Diseases, Instituto Medicina, Infectologia Emílio Ribas, São Paulo, Brazil
2. Department of Pathology, Faculdade de Medicina, Hospital das Clinicas, Universidade de São Paulo, São Paulo, Brazil
3. Department of Neurology, Instituto Medicina, Infectologia Emílio Ribas, São Paulo, Brazil
4. Department of Infectious Diseases, Faculdade de Medicina, Hospital das Clinicas, Universidade de São Paulo, São Paulo, Brazil