1. Division of Gastroenterology, Department of MedicineKurume University School of Medicine Kurume Japan
2. Medical Examination Section, Medical Examination Part FacilitiesPublic Utility Foundation Saga Prefectural Health Promotion Foundation Saga Japan
3. Division of Metabolism and Endocrinology, Faculty of MedicineSaga University Saga Japan
4. Liver CenterSaga University Hospital Saga Japan
5. Department of OrthopedicsKurume University School of Medicine Kurume Japan