^○Yoshihiro Furuichi, Takuji Gotoda, Fuminori Moriyasu (The Dept. of Gastroenterology and Hepatology, Tokyo Medical University Hospital, Tokyo, Japan)

^○Shigeru Nakano, Yasushi Matsukiyo, Teppei Matsui, Aya Etoh, Kazunari Hijikata, Tomoko Umakoshi, Yoshirou Yamamoto, Takahito Toba, Masashi Ono, Takahumi Otsuka, Yoshinori Igarashi (Dept. of Div. of Gastroenterologu and Hepatology, Toho University Omori Medical Center, Japan)

^○Kentaro Nakagawa, Takuya Yamada, Yuichiro Matsumura, Keisuke Fukutomi, Keiichi Kimura, Aya Sugimoto, Kenji Hibino, Tetsuya Iwasaki, Ryuichiro Iwasaki, Kumiko Nishio, Hiroko Hasegawa, Yuko Sakakibara, Shoichi Nakazuru, Hisashi Ishida, Eiji Mita (Dept. of Gastroenterology,Osaka National Hospital,National Hospital Organization,Osaka,Japan)

^○Keitarou Kawasaki¹, eiji Takeshita², humitaka iwamura¹, hiroki utsunomiya¹, sen yagi¹, eiji arimitsu¹, yasunori yamamoto², hiroaki nunoi³, yoshiou ikeda², youichi hiasa¹ (1.Departments of Gastroenterology and Metabology, Ehime University, Ehime, Japan, 2.Ehime University Hospital Endoscopy Center, Ehime, Japan, 3.Departments of Lifestyle-related Medicine & Endocrinology, Ehime University, Ehime, Japan)