Affiliation: | 1. Gastroenterology Division, Department of Internal Medicine, Faculdade de Medicina de Botucatu, UNESP – Univ Estadual Paulista, Botucatu, S?o Paulo, Brazil;2. Endocrinology Division, Department of Internal Medicine, Faculdade de Medicina de Botucatu, UNESP – Univ Estadual Paulista, Botucatu, S?o Paulo, Brazil |