1. 1Gastroenterology Department, Bonsucesso Federal Hospital, Rio de Janeiro, Brazil;
2. 2Laboratory of Clinical Research on STD/AIDS, Evandro Chagas National Institute of Infectious Disease (INI) - Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil;
3. 3Infectious Diseases Clinics, University Hospital Clementino Fraga Filho/Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;
4. 4Department of Immunology, Institute of Microbiology Paulo de Goes, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;
5. 5Gastroenterology Department, University of the State of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil;
6. 6D’Or Institute for Research and Education (IDOR), Rio de Janeiro, Brazil;
7. 7Internal Medicine Department, School of Medicine, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil