^○Hisakazu Matsumoto, Tatsuya Ishii, tomonori masuda, Tomoki Nakai, Satoshi Ogawa, Shunjiro Azuma, mio taki, Yohei Yabuuchi, Sakiko Ota, Hiroyoshi Iwagami, Kosuke Minaga, Keiichi Hatamaru, Yasuki Nakatani, Takuji Akamatsu, Takeshi Seta, Shunji Urai, Yoshito Uenoyama, Yukitaka Yamashita (Japanese Red Cross Wakayama Medical Center)

^○Yoshikazu Nakatsugawa (Div.Of Gastroenterology, Kyoto,Japan)

^○Eiji Yamamoto¹, Yuya Nakano¹, Shinichiro Tsuji¹, You Nakai¹, Miwako Kagawa¹, Yasuharu Kuwayama¹, Michiko Nonogi¹, Yasuo Gotoda¹, Koichi Sato¹, Yasuhiro Yuasa¹, Hiroshi Okitsu¹, Michiko Yamashita², Yoshiyuki Fuji², Koichi Kataoka³, Yuri Masuda² (1.Dept. of Gastroenterology, Tokushima Red Cross Hospital, Tokushima, Japan, 2.Department of Pathology, Tokushima Red Cross Hospital, Tokushima, Japan, 3.Kataoka clinic, Tokushima, Japan)

^○Hideki Jinno, Atsushi Imagawa, Eijirou Ueta, Akihiro Matumi, Kozue Sutou, Hiroyuki Terasawa, Keiko Takeuti, Hitomi Endou, Yuki Moritou, Mituhiro Akita, Akio Moriya, Hidenori Hata, Morihito Nakatu, Masaharu Andou (Mitoyo General Hospital, Gastroenterology, Kagawa, Japan)

^○Kanna Adachi, Shunya Iseki, Kensuke Hamada, Takahiro Inoue, Masamichi Arao, Eri Tokunaga, Yuka Sumino, Hiroyuki Yoshida, Yukari Shimada, Motohito Hayashi, Toshinao Itani, Jun Mimura (Nishi-Kobe Medical Center, Japan)