^○Ryohei Hirose¹, Naohisa Yoshida¹, Kiyoshi Ogiso¹, Osamu Dohi¹, Tetsuya Okayama¹, Kazuhiro Katada¹, Kazuhiro Kamada¹, Kazuhiko Uchiyama¹, Osamu Handa¹, Tsuyoshi Ishikawa¹, Hideyuki Konishi¹, Tomohisa Takagi¹, Yuji Naito¹, Akio Yanagisawa², Yoshito Ito¹ (1.Dept. of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine Graduate School of Medical Science, Kyoto, Japan, 2.Department of Surgical Pathology, Kyoto Prefectural University of Medicine Graduate School of Medical Science, Kyoto Japan)

^○Takashi Shono, Rei Narita, Suguru Chiyonaga, Hideaki Miyamoto, Shinichiro Oyama, Tateaki Kobayashi, Shunpei Hashigo, Tetsuya Murao, Hideaki Naoe, Yutaka Sasaki (Dept. of Gastroenterology and Hepatology, Kumamoto University Hospital, Kumamoto, Japan)

^○Kazuya Akahoshi, Yasuaki Motomura, Masaru Kubokawa (Dept. of Gastroenterology, Aso Iizuka Hospital, Iizuka, Japan)

^○Daiki Nemoto, Yoshikazu Hayashi, Kohei Ono, Manabu Nagayama, Yuji Ino, Shunji Watanabe, Yoshimasa Miura, Takahito Takezawa, Hiroyuki Sato, hirotsugu Sakamoto, Tomonori Yano, keijiro Sunada, Hiroyuki Osawa, Hironori Yamamoto (Dept. of Gastroenterolog, Jichi Medical Univ., Tochigi, Japan)

^○Nobuya Kobayashi, Hirohito Mori, Shintaro Fujihara, Noriko Nishiyama, Taiga Chiyo, Tae Matsunaga, Maki Ayaki, Tatsuo Yachida, Hideki Kobara, Makoto Oryu, Tsutomu Masaki (Dept. of Gastroenterology & Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan)