1. Department of Gastroenterology and Hematology Hirosaki University Graduate School of Medicine Aomori Japan
2. Department of Community Medicine Hirosaki University Graduate School of Medicine Aomori Japan
3. Department of Anatomic Pathology Hirosaki University Hospital Aomori Japan
4. Department of Pharmacy Hirosaki University Hospital Aomori Japan
5. Innovation Center for Health Promotion Hirosaki University Graduate School of Medicine Aomori Japan