1. The Japan Diabetes Society Tokyo Japan
2. Center for Innovative Clinical Medicine Okayama University Hospital Okayama Japan
3. Osafune Clinic Okayama Japan
4. Jikei University School of Medicine TokyoJapan
5. Department of Diabetology & Endocrinology Kanazawa Medical University Ishikawa Japan
6. Division of Diabetes, Metabolism & Endocrinology Department of Internal Medicine Jikei University School of Medicine Tokyo Japan