^○Hideki Toyoda (Happy Gi Clinic. Mie, Japan)

^○Fujito Kageyama, kinya kawamura, shinichi sumiyoshi (Hamamatsu Medical Center,Dept. Of.Gastroenterology,Hamamatsu,Japan)

^○Tomoyuki Hayashi, Takashi Kagaya, Shuichi Kaneko (Dept. of Gastroenterology, Kanazawa Univ., Ishikawa, Japan)

^○Tomoki Fujita, Eriko Waga, Shinichi Katsuki (Dept. of The Center of Gastroenterology, Otaru Ekisaikai Hospital, Japan)

^○Makoto Kobayashi¹, Yasushi Sugiura², Motoyoshi Yano¹ (1.Dept. of Gastrointestinal Medicine, Yokkaichi Municipal Hospital., Mie, Japan, 2.Sugiura Clinic)

^○Akira Horiuchi, Toshiyuki Makino, Masashi Kajiyama (Digestive Disease Center, Showa Inan General Hospital, Komagane, Japan)

^○Mika Yuki, Yoshinori Komazawa, Toshihiro Shizuku (Div. of Internal Medicine, Izumo-City General Medical Center, Shimane, Japan)

^○Toshihide Ohmori (Ohmori Toshihide Gastrointestinal Clinic, Japan)

^○Mitsuyuki Murano, Naoko Murano (Murano Clinic, Osaka, Japan)

^○Norihiro Hamamoto (Hamamoro Clinic, Hyogo, Japan)

^○Satoru Tamura¹, Shuji Inoue², Eri Tamura³ (1.Div. of Gastroenterology, Tamura Clinic, Kochi, Japan, 2.Kochi National Hospital, Kochi, Japan, 3.Kochi Medical School Hospital Postgraduate Clinical Training Center)

^○Yoshinori Mizumoto, Bunji Endoh, Shinji Katsushima (Dept. of Gastroenterology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan)

^○Satoshi Murata (Murata Gastrointestinal Clinic,Tokyo,Japan)

^○Takuto Hikichi, Ko Watanabe, Katsutoshi Obara (Dept. of Endoscopy, Fukushima Med. Univ. Hospital, Fukushima, Japan)

^○Tomoki Miura, Kiyoaki Honma, Yoshitaka Nawata (Dept. of Therapeutic Endoscopy, Nihonkai General Hosp., Yamagata, Japan)