^○Naoki Yorifuji¹, Sadaharu Noda¹, Takuya Inoue¹, kaori hujiwara¹, Munetaka Iguchi¹, Yuichi Kojima¹, Akira Imoto¹, Toshihiko Okada¹, Kazuki Kakimoto¹, ken kawakami¹, Yousuke Abe¹, Kenji Iwakura³, Toshihisa Takeuchi¹, Yutaro Egashira², Kazuhide Higuchi¹ (1.Second Dept. of Internal Medicine, Osaka Medical College,Osaka,Japan, 2.Pathology, Osaka Medical College,Osaka,Japan, 3.Tesseikai Hospital,Osaka,Japan)

^○Chikamasa Ichita, Haruki Uojima, Shinnosuke Tokoro, Sakue Masuda, Akiko Sasaki, Kazuya Koizumi, HIdeto Egashira, Takeshi Kinbara, makoto Kako (Gastroenterology Center,Shonankamakura General Hospital, Kanagawa,Japan)

^○Akira Kusakabe, Katsumi Yamamoto, Masafumi Naito, Toshifumi Ito (Oosak,Japan)

^○Katsuno Hidetoshi, Koutarou Maeda, Tsunekazu Hanai, Harunobu Sato, Koji Masumori, Yoshikazu Koide, Hiroshi Matsuoka, Miho Shiota, Shinji Ozeki, Kunihiro Toyama (Dept. of Surgery, Fujita Health Univ. , Aichi, Japan)

^○Mitsuhiro Yamamura, Touji Murabayashi, Tatsuya Itou, Hiroshi Miura, Takami Mayuko, Koyo Higashitani, Jun Oyamada, Shinya Kawaguchi, Hiroshi Fuke (Dept.Of Gastroenterology, Ise Redcross Hospital, Mie, Japan)