1. Division of Diabetes, Endocrinology and Metabolism, Department of MedicineTokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Tokyo Japan
2. Seino Internal Medicine Clinic Koriyama Japan
3. Internal MedicineOyama East Clinic Oyama Japan
4. Department of Endocrinology and MetabolismKashiwa City Hospital Kashiwa Japan
5. Sasazuka Inoue Clinic Tokyo Japan
6. Tanaka Clinic Wako Japan
7. Department of Insured Medical Care Management, Graduate School of Medical and Dental SciencesTokyo Medical and Dental University Tokyo Japan
8. Division of Diabetes and Metabolism, Department of Internal MedicineNihon University School of Medicine Tokyo Japan
9. Department of Internal MedicineNihon University Hospital Tokyo Japan
10. Green Clinic Mibu Japan
11. Division of Metabolism and Endocrinology, Department of Internal MedicineYokohama Sakae Kyosai Hospital Yokohama Japan
12. Research Center for Advanced Science and TechnologyThe University of Tokyo Tokyo Japan
13. Division of Diabetes and MetabolismThe Institute for Adult Diseases, Asahi Life Foundation Tokyo Japan