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

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

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

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

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

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

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

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

^○Donoso Andres, A Espino, A Rollan, P Cortes, R Gonzalez, A Sharp (Universidad Catolica, Chile¹⁾ and Gastroenterology²⁾, Universidad Catolica, Chile. Gastroenterology Unit³⁾, Clinica Alemana, Chile.)