Affiliation: | 1. Department of Gastroenterology and Hematology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan;2. Shibata Irika Co.Ltd.Hirosaki, Japan;3. Division of Pharmaceutical Science, Hirosaki University Hospital, Hirosaki, Japan;4. Division of Clinical Research, Hirosaki National Hospital, National Hospital Organization, Hirosaki, Japan |