Waku Hatta 1, Yosuke Tsuji 2, Sho Shiroma 3, Naomi Kakushima 4, Shu Hoteya 5, Hisashi Doyama 6, Yasuaki Nagami 7, Takuto Hikichi 8, Masakuni Kobayashi 9, Yoshinori Morita 10, Tetsuya Sumiyoshi 11, Mikitaka Iguchi 12, Hideomi Tomida 13, 14, Takuya Inoue 15, Tomoyuki Koike 1, Tatsuya Mikami 16, Kenkei Hasatani 17, Atsushi Goto 18, Tomoaki Matsumura 19, Hiroko Nebiki 20, Dai Nakamatsu 21, Ken Ohnita 22, Haruhisa Suzuki 23, Hiroya Ueyama 24, Yoshito Hayashi 25, Mitsushige Sugimoto 26, Shinjiro Yamaguchi 27, Tomoki Michida 28, Tomoyuki Yada 29, Yoshiro Asahina 30, Toshiaki Narasaka 31, Shiko Kuribayashi 32, Shu Kiyotoki 33, Katsuhiro Mabe 34, Mitsuhiro Fujishiro 2, 35, Atsushi Masamune 1
1 Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
2 Department of Gastroenterology, The University of Tokyo, Tokyo, Japan
3 Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
4 Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
5 Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
6 Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
7 Department of Gastroenterology, Osaka City University Graduate School of Medicine, Osaka, Japan
8 Department of Endoscopy, Fukushima Medical University Hospital, Fukushima, Japan
9 Department of Endoscopy, The Jikei University School of Medicine, Tokyo, Japan
10 Division of Gastroenterology, Kobe University School of Medicine, Kobe, Japan
11 Division of Gastroenterology, Tonan Hospital, Sapporo, Japan
12 Second Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan
13 Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
14 Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Matsuyama, Japan
15 Division of Gastroenterology and Hepatology, Osaka General Medical Center, Osaka, Japan
16 Division of Endoscopy, Hirosaki University Hospital, Hirosaki, Japan
17 Department of Gastroenterology, Fukui Prefectural Hospital, Fukui, Japan
18 Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
19 Department of Gastroenterology, Chiba University Graduate School of Medicine, Chiba, Japan
20 Department of Gastroenterology, Osaka City General Hospital, Osaka, Japan
21 Department of Gastroenterology, Toyonaka Municipal Hospital, Toyonaka, Japan
22 Department of Gastroenterology and Hepatology, Nagasaki University Hospital, Nagasaki, Japan
23 Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
24 Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan
25 Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
26 Division of Digestive Endoscopy, Shiga University of Medical Science Hospital, Otsu, Japan
27 Division of Gastroenterology, Kansai Rosai Hospital, Amagasaki, Japan
28 Department of Gastroenterology and Hepatology, Saitama Medical Center, Saitama, Japan
29 Division of Gastroenterology and Hepatology, Kohnodai Hospital, National Center for Global Health and Medicine, Ichikawa, Japan
30 Department of Gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
31 Division of Endoscopic Center, University of Tsukuba Hospital, Tsukuba, Japan
32 Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Maebashi, Japan
33 Department of Gastroenterology, Shuto General Hospital, Yanai, Japan
34 Department of Gastroenterology, National Hospital Organization Hakodate Hospital, Hakodate, Japan
35 Department of Endoscopy & Endoscopic Surgery, The University of Tokyo, Tokyo, Japan