1 Bariatric Endoscopy Unit, Healthme Clinic, São Paulo, Brazil; Gastroenterology Department, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
2 Gastroenterology Department, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil; Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
3 Bariatric Endoscopy Unit, Angioskope, São José dos Campos, Brazil.
4 Bariatric Endoscopy Unit, Healthme Clinic, São Paulo, Brazil.
5 Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.