1. Department of Clinical Epidemiology and Health EconomicsThe University of Tokyo Tokyo Japan
2. Department of Prevention of Diabetes and Lifestyle‐Related Diseases, Graduate School of MedicineThe University of Tokyo Tokyo Japan
3. Department of Health Services Research, Graduate School of MedicineThe University of Tokyo Tokyo Japan
4. Department of Health Policy and InformaticsTokyo Medical and Dental University Tokyo Japan
5. Division of Nephrology and Endocrinology, Graduate School of MedicineThe University of Tokyo Tokyo Japan
6. Department of Metabolism and NutritionTeikyo University Mizonokuchi Hospital Kanagawa Japan