Affiliation: | 1.Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, 650-0017, Japan ;2.Department of Gastroenterology and Hepatology, Kinki University Faculty of Medicine, Osaka-sayama, 589-8511, Japan ;3.Department of Gastroenterology, Bellland General Hospital, Sakai, Osaka, 599-8247, Japan ;4.Department of Internal Medicine, Saku Central Hospital Advanced Care Center, Nagano, 384-0301, Japan ;5.Second Department of Internal Medicine, Osaka Medical College, Takatsuki, 569-8686, Japan ;6.Department of Gastroenterology and Hepatology, Japanese Red Cross Society Wakayama Medical Center, Wakayama, 640-8558, Japan ;7.Department of Gastroenterology, Tottori University Hospital, Yonago, 683-8504, Japan ;8.Departments of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan ;9.Department of Gastroenterology and Neurology, Kagawa University Faculty of Medicine, Kagawa, 761-0793, Japan ;10.Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tottori Red Cross Hospital, Tottori, 680-8517, Japan ;11.Department of Gastroenterology, Shinbeppu Hospital, 3898 Tsurumi, Beppu-shi, Oita, 874-0833, Japan ;12.Department of Gastroenterology, Oita Sanai Medical Center, Oita, 870-1151, Japan ;13.Clinical Research Center, Kinki University Hospital, Osaka-sayama, 589-8511, Japan ;14.Center for Clinical Research and Advanced Medicine Establishment, Shiga University of Medical Science, Otsu, 520-2192, Japan ;15.Second Department of Internal Medicine, Wakayama Medical University School of Medicine, 811-1 Kimiidera, Wakayama, 641-8509, Japan ; |