**Author details**

Enio Chaves Oliveira1,2,3\*, Mauro Bafutto4,5,6, Alexandre Augusto Ferreira Bafutto6 , Salustiano Gabriel Neto1,8 and Jarbas Jabur Bittar Neto7,8

1 Surgery Department, School of Medicine, Universidade Federal de Goiás, Goiânia, Brazil

2 Digestive Unit, Hospital das Clínicas, Universidade Federal de Goiás, Goiânia, Brazil

3 Brazilian College of Surgeons, Brazilian College of Digestive Surgery and Brazilian Society of Coloproctology, Brazil

4 Gastroenterology, Internal Medicine Department, School of Medicine, Universidade Federal de Goiás, Goiânia, Brazil

5 Federação Brasileira de Gastroenterologia, Brazil

6 Instituto Goiano de Gastroenterologia e Endoscopia Digestiva, Goiânia, Brazil

7 Hospital do Coração de Goiás, Goiânia, Brazil

8 Brazilian College of Surgeons, Brazilian College of Digestive Surgery, Brazil

\*Address all correspondence to: eco1.br@gmail.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
