1. Department of Medicine Division of Diabetes, Metabolism and Endocrinology Chiba University Hospital Chiba Japan
2. Department of Endocrinology, Hematology, and Gerontology Chiba University Graduate School of Medicine Chiba Japan
3. Department of Internal Medicine, Division of Diabetes, Endocrinology and Metabolism Kimitsu Chuo Hospital Kisarazu Japan
4. Hotaruno Central Naika Kisarazu Japan
5. Odayama Clinic Kisarazu Japan
6. Department of Diabetes and Metabolism Japanese Red Cross Narita Hospital Narita Japan
7. Department of Diabetes and Metabolism Asahi General Hospital Asahi Japan
8. Department of Diabetes, Endocrine and Metabolic Disease Tokyo Women's Medical University Yachiyo Medical Center Yachiyo Japan
9. Yukarigaoka Tokuyama Medical Clinic Sakura Japan
10. Department of Diabetes and Metabolism National Hospital Organization Chiba Medical Center Chiba Japan
11. Geriatric Medical Center Chiba University Hospital Chiba Japan
12. Diagnostic Radiology and Radiation Oncology Chiba University Graduate School of Medicine Chiba Japan
13. Department of Radiology Sannou Hospital Chiba Japan
14. Clinical Research Support Center The Jikei University School of Medicine Tokyo Japan
15. Research Center for Medical and Health Data Science The Institute of Statistical Mathematics Tachikawa Japan
16. Department of Preventive Medicine and Public Health Keio University School of Medicine Shinjuku‐ku Japan
17. Department of Medicine Division of Diabetes, Metabolism and Endocrinology International University of Health and Welfare Narita Japan
18. Duke Clinical Research Institute Duke University Medical Center Durham North Carolina USA