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

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

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

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

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

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

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

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

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

Naminatsu Takahara¹, Yousuke Nakai², Mitsuhiro Fujishiro¹ (1.Dept of Gastroenterology, The University of Tokyo, 2.Dept of Endoscopy and Endoscopic Surgery, The University of Tokyo)