1. Department of Prevention of Noncommunicable Diseases and Promotion of Health Checkup Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
2. Department of Hematology, Endocrinology and Metabolism Niigata University Faculty of Medicine Niigata Japan
3. Department of Health and Nutrition, Faculty of Human Life Studies University of Niigata Prefecture Niigata Japan
4. Department of Endocrinology and Metabolism, Faculty of Medicine University of Tsukuba Ibaraki Japan
5. Department of Cardiology Niigata Minami Hospital Niigata Japan