^○Tomonori Yano (Dept. of Medicine, Div. of Gastroenterology, Jichi Medical University, Tochigi, Japan)

^○Kazuo Ohtsuka (Endoscopy, University Hospital of Medicine Tokyo Medical and Dental University, Tokyo, Japan)

^○Masaaki Shimatani (The Third Dept. of Internal Medicine, Div. of Gastroenterology and Hepatology, Kansai Medical University, Osaka, Japan)

^○Shinichi Katsuki (Center of Gastroenterology, Otaru Ekisaikai Hospital, Otaru, Japan)

^○James East (Translational Gastroenterology Unit, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom)

^○Jörg G.Albert (Department of Internal Medicine I / Frankfurt University Hospital, Frankfurt, Germany)

^○Gabriel Rahmi (European Georges Pompidou Hospital, Paris, France)