^○Mototsugu Kato (Div. of Endoscopy, Hokkaido Univ. Hospital, Sapporo, Japan)

^○Masashi Oka (Department of gastroenterology and Hepatology, Saitama Medical University, Japan)

^○Tomoari Kamada, Ken Haruma, Akiko Shiotani (Division of Gastroenterology, Department of Internal Medicine, Kawasaki Medical School, Kurashiki, Japan)

^○Kazunari Murakami (Dept. of Gastroenterology, Faculty of Medicine, Oita University, Yuhu, Japan)

^○Sun-Young Lee (Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea)

^○Caroline den Hoed (Dept. of Gastroenterology and Hepatology, ErasmusMC University Medical Center, Rotterdam, The Netherlands)

^○Adam Bailey (Translational Gastroenterology Unit, John Radcliffe Hospital Oxford University Hospitals, Oxford, United Kingdom.)

^○Claudio Teixeira (Gastroenterology, Rio Grande University, Brazil)

^○Andres Donoso, Espino A, Rollan A, Cortes P, Gonzalez R, Sharp A (Departments of Digestive Surgery¹⁾ and Gastroenterology²⁾, Universidad Catolica, Chile. Gastroenterology Unit³⁾, Clinica Alemana, Chile.)