1. Center for Innovative Clinical Medicine Okayama University Hospital Okayama Japan
2. Department of Clinical Pharmacy and Pharmacology University of Groningen, University Medical Center Groningen Groningen the Netherlands
3. Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine Tokai University School of Medicine Isehara Japan
4. Suzuki Diadetes Clinic Atsugi Japan
5. Department of Diabetes and Endocrinology National Hospital Organization Fukuyama Medical Center Fukuyama Japan
6. Diabetes Internal Medicine Sumitomo Besshi Hospital Nihama Japan
7. Department of Diabetic Medicine Kurashiki Central Hospital Kurashiki Japan
8. Department of Diabetes and Endocrinology Takamatsu Hospital Takamatsu Japan
9. Department of Diabetology and Metabolism National Hospital Organization Okayama Medical Center Okayama Japan
10. Department of Internal Medicine Diabetic Center Okayama City Hospital Okayama Japan
11. Division of Diabetes and Metabolism, Faculty of Medicine Tohoku Medical and Pharmaceutical University Sendai Japan
12. Department of Diabetes Ochiai General Hospital Maniwa Japan
13. Department of Diabetology and Endocrinology Kanazawa Medical University Uchinada Japan
14. Division of Anticipatory Molecular Food Science and Technology, Medical Research Institute Kanazawa Medical University Uchinada Japan
15. Omi Medical Center Kusatsu Japan
16. Department of Diabetes and Endocrinology Kochi Health Sciences Center Kochi Japan
17. Nunoue Clinic Tsuyama Japan
18. Internal Medicine, Osafune Clinic Setouchi Japan
19. Department of Diabetes and Endocrinology Matsue City Hospital Matsue Japan
20. Diabetes Center Okayama Saiseikai General Hospital Okayama Japan
21. Division of Diabetes, Metabolism and Endocrinology, Department of Internal Medicine The Jikei University Kashiwa Hospital Kashiwa Japan
22. Department of Endocrinology and Diabetes Mellitus Fukuoka University School of Medicine Fukuoka Japan
23. Department of Nephrology and Laboratory Medicine, Graduate School of Medical Sciences Kanazawa University Kanazawa Japan
24. Department of Hygiene, Faculty of Medicine Kagawa University Miki Kagawa Japan