1. Department of Internal Medicine, Escola de Medicina e Cirurgia, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro, Brazil.
2. Postgraduate Program, Department of Infectious and Parasitic Diseases, Faculty of Medicine, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
3. Service of Neurology, Hospital dos Servidores do Estado, Rio de Janeiro, Brazil.
4. Department of Immunology, Instituto de Microbiologia Paulo de Goes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
5. Division of Neurology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan.
6. Section of Virology, Department of Infectious Disease, Imperial College, London, United Kingdom.
7. Department of Dermatology, Faculty of Medicine, Sao Paulo University, Sao Paulo, Brazil.