^○Toshinari Fujiwara¹, Naoto Komada¹, Bin Sakoda¹, Takaaki Kawaguchi², Minako Sako², Naoki Yoshimura², Masakazu Takazoe², Kazuya Shimoda³ (1.Dept. of Internal Medicine, Fujimoto General Hospital, Miyazaki, Japan, 2.Dept of Internal medicine,Tokyo Yamate Medical centaer, Tokyo, Japan, 3.Div. of Gastroenterolgy and Hematology, Dept of Internal Medine, Sch of Med. Miyazaki Univ., Miyazaki, Japan)

^○Shusuke Kitabatake, takashi Kumada, Seiki Kiriyama, Makoto Tanikawa, Yasuhiro Hisanaga, Hidenori Toyota, Akira Kanamori, Toshihumi Tada, Tsuyoki Yama, Ryohei Hasegawa, Takanori Ito, Yusuke Satta, Shinya Yokoyama, Yoshiaki Sugiyama (Dept. of Gastroenterology, Ogaki Municipal Hospital, Ogaki, Gifu, Japan)

^○Eri Kuwamura¹, Hiroshi Matuoka¹, daisuke namima¹, Nobuya Kobayashi¹, Tsutomu Masaki² (1.Yashima General Hospital,Kagawa,Japan, 2.Department of Gastroenterology & Neurology,Faculty of Medicine,Kagawa University,Kagawa,Japan)

^○Masayoshi Nagahama, Izumi Kinjo, Hiroshi Miyazato, Hirofumi Tomori (Naha City Hospital, Dept. of Surgery, Okinawa, Japan)