1. Research Institute Department of Diabetes Research and Diabetes and Metabolism Information Center, Diabetes Research Center National Center for Global Health and Medicine Tokyo Japan
2. Health Management Center Toranomon Hospital Tokyo Japan
3. Department of Endocrinology and Metabolism Toranomon Hospital Tokyo Japan
4. Division of Diabetes and Metabolism Iwate Medical University Morioka Iwate Japan
5. The Institute for Adult Disease Asahi Life Foundation Tokyo Japan
6. Department of Diabetes, Endocrinology and Metabolism National Center for Global Health and Medicine Center Hospital Tokyo Japan
7. Department of Internal Medicine National Center for Global Health and Medicine Kohnodai Hospital Chiba Japan
8. Ohta Nishinouchi Hospital FukushimaJapan
9. Department of Endocrinology and Diabetes Saitama Medical University Saitama Japan