Affiliation: | 1. Gastroenterology and Hepatology Department, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil;2. Gastroenterology and Hepatology Department, Bonsucesso Federal Hospital, Rio de Janeiro, Brazil;3. Internal Medicine Department, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil;4. D'Or Institute for Research and Education (IDOR), Rio de Janeiro, RJ, Brazil;5. Gastroenterology Department, Federal University of S?o Paulo, S?o Paulo, Brazil |