[1] Department of Internal Medicine and Gastroenterology,Department of Gastroenterology
[2] Saga Medical School,Division of Endoscopy
[3] Osaka City University Graduate School of Medicine,Department of Pathophysiology and Therapeutics
[4] Hokkaido University Hospital,Department of Endoscopy and Endoscopic Surgery
[5] Hokkaido University Faculty of Pharmaceutical Sciences,Second Department of Internal Medicine
[6] Gunma University Hospital,Department of Gastroenterology and Hepatology
[7] Osaka Medical College,Department of Gastroenterology
[8] Department of Internal Medicine and Gastrointestinal Endoscopy,Department of Gastroenterology
[9] Saga Medical School,Department of Gastroenterology, Faculty of Medicine
[10] Shimane University School of Medicine,Division of Upper Gastroenterology, Department of Internal Medicine
[11] Kumamoto University Graduate School of Medicine,undefined
[12] Chiba University Graduate School of Medicine,undefined
[13] Department of Gastroenterology,undefined
[14] Kawasaki Medical School,undefined
[15] Department of Gastroenterology,undefined
[16] Juntendo University School of Medicine,undefined
[17] Department of Internal Medicine,undefined
[18] Nippon Medical School Chiba Hokusoh Hospital,undefined
[19] Center for Clinical Research,undefined
[20] Hamamatsu University School of Medicine,undefined
[21] Oita University,undefined
[22] Hyogo College of Medicine,undefined
[23] Third Department of Internal Medicine,undefined
[24] Kyorin Medical College,undefined