^○Sho Fukuda, Motoki Oyauchi, Hirotaka Ito, Yasuhiro Izumiyama, Hirohumi Nagatomo, Hiroharu Echigo, Rei Ishibashi, Yuichirou Sato, Takehiko Igarashi, Nobuya Obana (Dept. of Gastroenterology of Osaki Citizen Hospital, Japan)

^○Yuko Noda, Shojiro Yamamoto, Takaho Noda, Sho Suzuki, Yuuri Yamada, Sachiko Takeda, Yoshinori Oozono, Mai Sakaguchi, Shuichiro Natsuda, Kanna Hashimoto, Kousuke Maemura, Mai Tsuchimochi, Takumi Yamaji, Tadashi Miike, Hiroo Abe, Hisayoshi Iwakiri, Yoshihiro Tahara, Satoru Hasuike, Kenji Nagata, Kazuya Shimoda (Gastoenterology and Hematology, Internal Medicine, Faculty of Medicine, University of Miyazaki, Japan)

^○Teruyuki Shimura, Yasuhiko Maruyama, Masanobu Kageoka, Akihiko Ohata, Tomohiko Terai, Masanao Kaneko, Koudai Yamamoto (Fujieda Municipal General Hospital, Japan)

^○Taizo Hosokawa¹, Masaru Kubokawa¹, Kayo Tokumaru¹, Shigeki Osada¹, Kazuya Akahoshi¹, Kazuhiko Nakamura² (1.Departments of Gastroenterology, Aso Iizuka Hospital, Fukuoka, Japan, 2.Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan)

^○Tomoki Nakai, Maiko Ikenouchi, Soichiro Umemura, Yuki Hayashi, Tatsuya Ishii, tomonori masuda, Shunjiro Azuma, Satoshi Ogawa, mio taki, Hisakazu Matsumoto, Yohei Yabuuchi, Hiroyoshi Iwagami, Sakiko Ota, Kosuke Minaga, Yasuki Nakatani, Keiichi Hatamaru, Takuji Akamatsu, Takeshi Seta, Shunji Urai, Yoshito Uenoyama, Yukitaka Yamashita (Dept. of Gastroenterology, Japanese Red Cross Wakayama Medical Center, Wakay Ama, Japan)