^○Hiroyuki Hisai¹, Yutaka Koshiba¹, Yuuki Ikeda¹, Tasuku Hirako¹, Etsu Miyazaki², Shogo Miura³ (1.Dept. of Gastroenterology, Japanese Red Cross Date General Hospital, Date, Japan, 2.Dept. of Internal Medicine, Japanese Red Cross Date General Hospital, Date, Japan, 3.Dept. of Hematology and Oncology, Sapporo Medical Univ. Sch. of Med., Sapporo, Japan)

^○Soichiro Kawata¹, Kazuya Matsumoto¹, Masaru Ueki², Yohei Takeda³, Takumi Onoyama¹, Kenichi Harada¹, Kazuo yashima¹, Yoshikazu Murawaki¹ (1.Div. of Medicine and Clinical Science, Faculty of Medicine, Tottori University, Yonago, Japan, 2.Devision of promoting next-generation highly advanced medicine, Tottori University, Yonago, Japan, 3.Division of Internal medicine, Japanese Red Cross Tottori Hospital, Tottori, Japan)

^○Shinya Matsumura, Takahiro Suzuki, Hideki Sato, Tomoki Sakakida, Maiko Sanbongi, Muneji Yasuda, takayuki Ota, Juichiro Yoshida, kei Terasaki, takahiro nakano, Takumi Kawakami, Yoshikazu Nakatsugawa, Shinya Yamada, Satoru Sekoguchi, Naoya Tomatsuri, Hideki Nakamura, Yusuke Okuyama, Hiroyuki Kimura, Norimasa Yoshida (Gastrointestinal Medicine , Japanese Red Cross Society Kyoto Daiichi Hospital , Kyoto , Japan)

^○Koichiro Mandai, Kana Amamiya, Naonori Inoue, Yasutoshi Fujii, Yukino Kawakatsu, Naokuni Sakiyama, Yuki Ueda, Atsushi Shirakawa, Yusuke Okada, Kojiro Nakase, Azumi Suzuki, Takuji Kawamura, Hideaki Kawabata, Masatoshi Miyata, Atsuhiro Morita, Kiyohito Tanaka, Koji Uno, Kenjiro Yasuda (Dept. of Gastroenterology, Kyoto Second Red Cross Hospital, Kyoto, Japan)

^○Tsunetaka Kato¹, Takuto Hikichi², Ko Watanabe², Tadayuki Takagi¹, Rei Suzuki¹, Jun Nakamura¹, Mitsuru Sugimoto¹, Hitomi Kikuchi¹, Naoki Konno¹, Yuichi Waragai¹, Mika Takasumi¹, Katsutoshi Obara², Hiromasa Ohira¹ (1.Dept. of Gastroenterology and Rheumatology,Fukushima Medical University School of Medicine, Japan, 2.Department of Endoscopy,Fukushima Medical University Hospital)