1 Department of Gastroenterology and Hepatology, Kyoto University Hospital, Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan. ytsuji@kuhp.kyoto-u.ac.jp.
2 Department of Gastroenterology and Hepatology, The Japan Baptist Hospital, 47 Kitashirakawa Yamanomotocho, Sakyo-ku, Kyoto, 606-8273, Japan. ytsuji@kuhp.kyoto-u.ac.jp.
3 Shiga University of Medical Science, Seta-Tsukinowacho, Otsu, Shiga, 520-2121, Japan. ytsuji@kuhp.kyoto-u.ac.jp.
4 Department of Radiology, Mayo Clinic, 200 1st St SW, Rochester, MN, 55902, USA.
5 Department of Radiology, Kyoto University Hospital, Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
6 Division of Clinical Radiology Service, Kyoto University Hospital, Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
7 Department of Healthcare Economics and Quality Management, Kyoto University Hospital, Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
8 Digestive Disease Center, Kitano Hospital, The Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
9 Department of Gastroenterology and Hepatology, 1 Chome-1-1 Miwa, Kurashiki, Okayama, 710-0052, Japan.
10 Department of Gastroenterology and Hepatology, Kobe City Medical Center General Hospital, 2-2-1 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan.
11 Department of Gastroenterology and Hepatology, Kyoto Medical Center, 1-1 Fukakusa, Mukaihata-cho, Fushimi-ku, Kyoto, 612-8555, Japan.
12 Department of Gastroenterology and Hepatology, Tenri Hospital, 200 Mishima-cho, Tenri, Nara, 632-8552, Japan.
13 Department of Gastroenterology and Hepatology, Japanese Red Cross Otsu Hospital, 1-1-35 Nagara, Otsu, Shiga, 520-8511, Japan.
14 Department of Gastroenterology and Hepatology, Kyoto University Hospital, Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
15 Division of Clinical Study of Oncology, Shimane University School of Medicine, 1060 Nishikawatsucho, Matsue, Shimane, 690-8504, Japan.
16 Department of Radiology, Shimane University School of Medicine, 1060 Nishikawatsucho, Matsue, Shimane, 690-8504, Japan.
17 Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 1060 Nishikawatsucho, Matsue, Shimane, 690-8504, Japan.