^○Naoya Tomatsuri¹, Ryuta Nakao², Norimasa Yoshida¹, Tomoki Sakakida¹, Maiko Sanbongi¹, Muneji Yasuda¹, takayuki Ota¹, Shinya Matsumura¹, Juichiro Yoshida¹, Takumi Kawakami¹, Yoshikazu Nakatsugawa¹, Shinya Yamada¹, Takahiro Suzuki¹, Satoru Sekoguchi¹, Hideki Nakamura¹, Hideki Sato¹, Yusuke Okuyama¹, Hiroyuki Kimura¹, yoji Urata² (1.Dept. of Gastroenterology, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan, 2.Dept. of Pathology, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan)

^○Manabu Kubota¹, Ayumi Takashina¹, Tomoko katagiri¹, Akihiro Miyakawa¹, takao Nishikawa¹, Taro Shimada¹, Akira Nakamura¹, Haruhisa Shimura¹, Ei Itobayashi¹, Kenji Shimura¹, Yoshio Suzuki² (1.Dept.Of Gastroenterology,Asahi General Hospital,Chiba,Japan, 2.Dept.of Clinicopathology,Asahi General Hospital,Chiba,Japan)

^○Mitsuhiko Hanawa¹, Masahiko Ohtaka¹, Kazuhiko Takaso¹, Mika Miura¹, Atsuko Kitahashi¹, Yuichi Hirose¹, Yosioki Yoda¹, Emi Sakuma¹, Tadashi Sato², Nobuyuki Enomoto² (1.Yamanashi Koseiren Health Care Center, Fofu, Japan, 2.First Department of Internal Medicine, University of Yamanashi, Kofu, Japan)

^○Naoto Shimeno¹, Takahiko Ito¹, Kazuhiro Matsumoto¹, Kazuya Hosotani¹, Tatsunori Minamide¹, Hiroki Kitamoto¹, Yohei Taniguchi¹, Masashi Fukushima¹, Masaya Wada¹, Shuko Morita¹, satoko inoue¹, Hiroshi Tei¹, Yoshiki Suginoshita¹, Tetsuro Inokuma¹, Keiichiro Uehara², Yukihiro Imai² (1.Dept. of Gasroenterology,Kobe City Medical Center General Hospital,Kobe,Japan, 2.Dept. of Clinical Pathology,Kobe City Medical Center General Hospital,Kobe,Japan)

^○Jun Nakamura¹, Takuto Hikichi², Ko Watanabe², Hitomi Kikuchi¹, Yuichi Waragai¹, Tadayuki Takagi¹, Rei Suzuki¹, Mitsuru Sugimoto¹, Naoki Konno¹, Mika Takasumi¹, Masaki Sato³, Katsutoshi Obara², Hiromasa Ohira¹ (1.Dept. of Gastroenterology and Rheumatology, Fukushima Medical University School of Medicine, Fukushima, Japan, 2.Department of Endoscopy, Fukushima medical University Hospital, Fukushima, Japan, 3.Sato Clinic)