○卜部 祐司1, 5, Duc T Quach2, 日山 亨3, 田中 信治4, 茶山 一彰5(1.Division of Regeneration and Medicine Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan, 2.Department of Internal Medicine, University of Medicine and Pharmacy, Hochiminh City, Ho Chi Minh, Vietnam., 3.Health Service Center, Hiroshima University, Higashihiroshima, Japan., 4.Department of Endoscopy, Hiroshima University Hospital, 5.Department of Gastroenterology and Metabolism, Hiroshima University)