Moon Jong Ho (Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Bucheon/Seoul, Korea)

Wang Hsiu-Po (Division of Gastroenterology and Hepatology of National Taiwan University Hospital)

Takenaka Mamoru, Omoto Shunsuke, Kudo Masatoshi (Kindai University, Japan)

Yanaidani Takafumi, Okuno Nozomi, Hara Kazuo (Aichi Cancer Center, Japan)

Nakamura Risa, Toyonaga Haruka, Katanuma Akio (Center for Gastroenterology, Teine-Keijinkai Hospital)

Terabe Hiroya, Okabe Yoshinobu, Ushijima Tomoyuki (Division of Gastroenterology, Kurume University)

Inoue Tadahisa, Kitano Rena, Yoneda Masashi (Department of Gastroenterology, Aichi Medical University, Aichi, Japan)

Tanisaka Yuki, Mizuide Masafumi, Ryozawa Shomei (Department of Gastroenterology, Saitama Medical University International Medical Center)

Matsunami Yukitoshi, Tsuchiya Takayoshi, Itoi Takao (Tokyo Medical University, Tokyo, Japan)

Takahara Naminatsu¹, Nakai Yousuke², Fujishiro Mitsuhiro¹ (1.Dept of Gastroenterology, The University of Tokyo, 2.Dept of Endoscopy and Endoscopic Surgery, The University of Tokyo)