1. Hepatology Division, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, Brazil
2. Gastroenterology Department, Federal University of the State of Rio de Janeiro, Rio de Janeiro 20270-004, Brazil
3. Gastroenterology Department, University of the State of Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
4. D’Or Institute for Research and Education (IDOR), Rio de Janeiro 22281-100, Brazil