1 Department of Gastroenterology, Graduate School of Medicine, Juntendo University, Tokyo, Japan.
2 Department of General Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University Hospital, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8551, Japan. [email protected].
3 Department of Surgery, National Center for Global Health and Medicine, Tokyo, Japan.
4 Department of Medicine, Teikyo University School of Medicine, Tokyo, Japan.
5 Department of Medicine and Gastroenterology, Chiba University, Chiba, Japan.
6 Department of Gastroenterology, Japanese Red Cross Nagoya Daini Hospital, Nagoya, Japan.
7 Department of Anatomic Pathology, Kurashiki Central Hospital, Kurashiki, Japan.
8 Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
9 Artificial Organ and Transplantation Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
10 Department of Gastroenterology and Metabolism, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
11 Department of Gastroenterology and Metabolism, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan.
12 Department of Endoscopy, Nagoya University Hospital, Nagoya, Japan.
13 Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.
14 Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
15 Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
16 Department of Gastroenterology, Iida Municipal Hospital, Nagano, Japan.
17 Department of Internal Medicine, Tokyo Komagome Metropolitan Hospital, Tokyo, Japan.
18 Department of Gastroenterology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
19 Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.
20 Second Department of Surgery, Dokkyo Medical University, Tochigi, Japan.
21 Department of Surgery, Matsusaka Central General Hospital, Matsusaka, Mie, Japan.
22 Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.