^○Yuzuru Kinjo, Noriya Nakachi, Hisayoshi Natomi, Yuko Shiroma, Keisuke Yonamine, Maki Nishizawa, Kunikazu Hoshino, Hitoshi Mabuchi, Masaru Miyazato, Ryosaku Tomiyama, Hiroto Shimajiri (Dept. of Internal Medicine, Naha City Hospital, Okinawa, Japan)

^○Daisuke Saito¹, Akihito Sakuraba¹, Miki Miura¹, Yuji Yamada¹, Mari Hayashida¹, Kengo Tokunaga¹, Genichi Koyama¹, Yasuo Okura², Shinichi Takahashi¹ (1.The Third Dept. of Internal Medicine, Kyorin University School of Medicine, Tokyo, Japan, 2.Pathology, Kyorin University School of Medicine, Tokyo, Japan)

^○Hironori Hoshino¹, Hisatsugu Noda¹, Takuro Nagoya¹, Akihiro Shimozato¹, Noriko Okaniwa¹, Kazunori Adachi¹, Atsushi Tanabe¹, Yasuhiro Tamura¹, Yoshitugi Ito¹, Yoshihiro Kondo¹, Shinya Izawa¹, Masahide Ebi¹, Akihito Iida¹, Yasushi Funaki^1,2, Naotaka Ogasawara¹, Makoto Sasaki¹, Kunio Kasugai¹ (1.Dept.Of Gastroenterology,Aichi Medical University Shcool of Medicine,Aichi,Japan, 2.Dept.of Clinical Laboratory ,Aichi Medical University Shcool of Medicine,Aichi,Japan)

^○Katsuhiko Sato¹, Shinjiro Yamaguchi¹, Saki Kitano¹, Eiji Kimura¹, Fumihiko Sano¹, Eri Yoshida¹, Ryotaro Uema¹, Aiko Himeno¹, Eri Tsumano¹, Akinori Shimayoshi¹, Mai Horie¹, taro Oshima¹, Maiko Murata¹, Masanori Miyazaki¹, Hideki Miyatake¹, Satoshi Egawa¹, Masahiko Tsujimoto², Masahide Oshita¹ (1.Osaka Police Hospital, Dept. of Internal Medicine, Osaka, Japan, 2.Osaka Police Hospital, Dept. of Pathology, Osaka, Japan)

^○Kazuto Ohara¹, Manabu Shiraki^1,2, Shigehito Nakashima¹, Kunihiro Higuchi¹, Kazuyuki Nakao¹, Mitsumasa Kimura¹ (1.Dept. of Internal Medicine, Yokkaichi Hazu Medical Center, Yokkaichi, Japan, 2.Department of Gastroenterology, Tohoku Rosai Hospital, Sendai, Japan)