^○Hiroka Yamago, Atsushi Hiraoka, Toshihiko Aibiki, Tomonari Okudaira, Akiko Toshimori, Tomoe Kawamura, Hiromasa Nakahara, Yoshifumi Suga, Nobuaki Azemoto, Hideki Miyata, Yasunao Miyamoto, Tomoyuki Ninomiya, Kojiro Michitaka (Ehime Prefectural Central Hospital, Japan)

^○Katsunori Matsueda, Tatsuya Toyokawa, shizuma Omote, akiko okamoto, Yuko Jinno, Yuya Ueda, Shinya Endo, Joichiro Hori, Isao Fujita, Takako Murakami (National Hospital Organization Fukuyama Hospital of The Independent Administrative Institution,Hiroshima,Japan)

^○Shinya Kaseda¹, Ryo Miyano², Masahiro Hoshimoto¹, Michiharu Ishii¹, Seiyo Murai¹, Haruko Kitaoka¹, Shinya Nishida², Kazuhide Higuchi² (1.Seikeikai Hospital, Osaka, Japan, 2.2nd Department of Internal Medicine Osaka Medical College, Osaka, Japan)

^○Kazunori Sugama¹, Makoto Oryu¹, Tomoki Kouno¹, Ayako Fujimori¹, Hirohito Mori², Hideki Kobara², Noriko Nishiyama², Shintaro Fujihara², Taiga Chiyo², Maki Ayaki², Tae Matsunaga², Tatsuo Yachida², Tsutomu Masaki² (1.Dept. of Gastroenterology, Kagawa Saseikai Hospital, Kagawa, Japan, 2.Dept. of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University., Kagawa, Japan)

^○Yoshinari Hashimoto, Syoji Matui, Kazushige Tohyama (Dept. of Surgery,Junshin Hospital, Japan)