Tatsuya Sato 1, Hirofumi Kogure 1, Yousuke Nakai 1, 2, Akiyuki Inokuma 1, Yukari Suzuki 1, Sachiko Kanai 1, Kensaku Noguchi 1, Tatsunori Suzuki 1, Tomoka Nakamura 1, Kazunaga Ishigaki 1, Ryunosuke Hakuta 1, Kei Saito 1, Tomotaka Saito 1, Naminatsu Takahara 1, Tsuyoshi Hamada 1, Suguru Mizuno 1, Minoru Tada 1, Hiroyuki Isayama 3, Kazuhiko Koike 1
1 Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Japan
2 Department of Endoscopy and Endoscopic Surgery, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
3 Department of Gastroenterology, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo, Japan