KANEKO Masahiro, OGAWA Masahiro, KUMAKAWA Mariko, WATANABE Yukinobu, HIRAYAMA Midori, MIURA Takao, MATSUMOTO Naoki, NAKAGAWARA Hiroshi, YAMAMOTO Toshiki, MORIYAMA Mitsuhiko (Gastroenterology, Nihon University Hospital)

MATSUI Takeshi¹, NISHIWAKI Takashi³, TAKEUCHI Yukari², KANG Jong-Hon¹, TSUJI Kunihiko¹, KATANUMA Akio¹ (1.Center for gastroenterology, Teine-Keijinkai Hospital, 2.Department of clinical examination, Teine-Keijinkai Hospital, 3.Department of clinical technology, Teine-Keijinkai Hospital)

TAKEUCHI Hirohito, SUGIMOTO Katsutoshi, ITOI Takao (Gastroenterology and Hepatology, Tokyo Medical University)

KANAKUBO Yuji¹, TANIGUCHI Yoko¹, HAYASHI Tomoyuki², WATANABE Kazuyoshi², IWASE Yayoi³, KATOU Harumi⁴, HASEGAWA Toshihiro⁶, ICHIHARA Shin⁷, MIYAMOTO Ryuta⁵, WAKASUGI Satoshi⁸ (1.Department of Diagnostic (Echoline Chiba), Tennohdai Digestive Disease Hospital, 2.Department of Gastrointestinal Surgery, Tennohdai Digestive Disease Hospital, 3.Department of Clinical Laboratory (Echoline Chiba), Ohishi Naika Clinic, 4.Department of Clinical Laboratory (Echoline Chiba), Heartful Fujishiro Hospital, 5.Department of Clinical Laboratory (Echoline Chiba), Sanwa Hospital, 6.Department of Radiological Technology, Abashirii Kousei General Hospital, 7.Department of Surgical Pathology, Sapporo Kousei General Hospital, 8.Department of Gastroenterology (Echoline Chiba), Chiba-Nishi General Hospital)

UCHIHASHI Takashi¹, TANAKA Hironori¹, SHIBATA Rie^{1, 3}, ISHII Akio¹, SHIMONO Yoshiyuki¹, MATSUO Shohei², OKUYAMA Shunsuke², RI Choyo¹, TSUKAMOTO Yoshitane², NAKASHIMA Osamu⁴ (1.Department of Gastroenterology and Hepatology, Takarazuka City Hospital, 2.Department of Pathology and Laboratory Medicine, Takarazuka City Hospital, 3.Endoscope Center, Takarazuka city hospital, 4.Department of Clinical Laboratory Medicine, Kurume University Hospital)

OGASAWARA Nobuhiko¹, SAITOH Satoshi¹, DENPO Hideyuki², KINOWAKI Keiichi³, AKUTA Norio¹, SUZUKI Fumitaka¹ (1.Department of Hepatology, Toranomon Hospital, 2.Department of Clinical Laboratory, Toranomon Hospital Kajigaya, 3.Department of Pathology, Toranomon Hospital)

SUGIURA Ikuya, SAKAKI Masashi, KAJIWARA Atsushi, ARAI Jun, ICHIKAWA Yuki, UOZUMI Shojiro, SHIMOZUMA Yuu, UCHIKOSHI Manabu, KURIHARA Toshikazu, YOSHIDA Hitoshi (Department of Medicine, Division of Gastroenterology, Showa University School of Medicine)

WAKASUGI Satoshi¹, KANAKUBO Yuuki², ICHIHARA Shin³, HASEGAWA Toshihiro⁴ (1.Department of Gastroenterology (Echoline Chiba), Chibanishi General Hospital, 2.Department of Diagnostic (Echoline Chiba), Tennohdai Digestive Disease Hospital, 3.Department of Surgical Pathology, Sapporo Kosei General Hospital, 4.Department of Radiological Technology, Abashiri kosei General Hospital)