Affiliation: | Igor Braga Ribeiro, Epifanio Silvino do Monte Junior, Antonio Afonso Miranda Neto, Igor Mendonça Proença, Diogo Turiani Hourneaux de Moura, Mauricio Kazuyoshi Minata, Edson Ide, Marcos Eduardo Lera dos Santos, Gustavo de Oliveira Luz, Sergio Eiji Matuguma, Spencer Cheng, Renato Baracat, Eduardo Guimarães Hourneaux de Moura, Department of Gastrointestinal Endoscopy Unit, University of São Paulo School of Medicine, São Paulo 05403-010, Brazil |