1. Department of Diabetes, Endocrinology and Nutrition, Kyoto University, Kyoto, Japan
2. Department of Urology, Kyoto University, Kyoto, Japan
3. Department of Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
4. Department of Endocrinology, Metabolism and Nephrology, Keio University School of Medicine, Tokyo, Japan
5. Department of Endocrinology and Metabolism, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
6. Department of Endocrinology and Metabolism, Saiseikai Yokohamashi Tobu Hospital, Yokohama, Japan
7. Division of Metabolism and Endocrinology, Department of Internal Medicine, St. Marianna University School of Medicine Yokohama City Seibu Hospital, Yokohama, Japan
8. Department of Diabetes and Endocrinology, Sapporo City General Hospital, Sapporo, Japan
9. Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
10. Department of Molecular Endocrinology and Metabolism, Tokyo Medical and Dental University, Tokyo, Japan
11. Department of Metabolic Medicine, Faculty of Life Science, Kumamoto University, Kumamoto, Japan
12. Department of Endocrinology and Diabetes, Okazaki City Hospital, Okazaki, Japan
13. Department of Cardiology, Sanda City Hospital, Sanda, Japan
14. Division of Nephrology, Hypertension and Endocrinology, Nihon University School of Medicine, Tokyo, Japan
15. Department of Endocrinology, Metabolism, Rheumatology and Nephrology, Faculty of Medicine, Oita University, Yufu, Japan
16. Department of Internal Medicine, Uwajima City Hospital, Uwajima, Japan
17. Department of Cardiology, Akashi Medical Center, Akashi, Japan
18. Department of Internal Medicine, Matsuyama Red Cross Hospital, Matsuyama, Japan
19. Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
20. Department of Metabolic Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
21. Department of Public Health, School of Medicine, International University of Health and Welfare, Narita, Japan