1. Department of Nephrology and Laboratory Medicine Kanazawa University Kanazawa Japan
2. Innovative Clinical Research Center Kanazawa University Kanazawa Japan
3. Department of Environmental and Preventive Medicine Kanazawa University Kanazawa Japan
4. Department of Nephrology Kanazawa Medical University Uchinada Japan
5. Department of Medicine Asahikawa Medical University Asahikawa Japan
6. Division of Diabetology and Metabolism, Department of Internal Medicine Tokyo Women's Medical University School of Medicine Tokyo Japan
7. Jiyugaoka Medical Clinic, Internal Medicine Obihiro Japan
8. Okinawa Heart and Renal Association Naha Japan
9. Division of Nephrology, Department of Internal Medicine Wakayama Medical University Wakayama Japan
10. Department of Epidemiology and Public Health Graduate School of Medical Sciences, Kyushu University Fukuoka Japan
11. Center of Health Management, Toranomon Hospital Tokyo Japan
12. Okinaka Memorial Institute for Medical Research Tokyo Japan
13. Niigata University Medical and Dental Hospital Niigata Japan
14. Department of Nephrology Faculty of Medical Sciences, University of Fukui Fukui Japan
15. Division of Nephrology, Department of Internal Medicine Jichi Medical University Tochigi Japan
16. Health Care Center, Kitasato University Sagamihara Japan
17. Department of Diabetes and Endocrinology Juntendo University Urayasu Hospital Chiba Japan
18. Okayama University Okayama Japan