1. Newton Teixeira Gastroenterologia, Rio de Janeiro, Brazil
2. Division of Gastroenterology, Hepatology and Endoscopy – Brigham and Women’s Hospital – Harvard Medical School, Boston, Massachusetts, United States
3. Endovitta Institute, São Paulo, Brazil and Florida International University, Florida, United States
4. Hospital Universitário Onofre Lopes – Universidade Federal do Rio Grande do Norte
5. Grupo de apoio e tratamento da obesidade (GATO), Rio de Janeiro, Brazil