Affiliation: | 1. School of Medicine, Federal University of Minas Gerais, Minas Gerais, Brazil;2. Alfa Institute of Gastroenterology, Clinical Hospital of the Federal University of Minas Gerais, Minas Gerais, Brazil;3. Department of Gastroenterology, Military Hospital of Minas Gerais, Minas Gerais, Brazil;4. School of Veterinary Medicine, Federal University of Minas Gerais, Minas Gerais, Brazil |