1. Diabetes Center Shin‐Koga Hospital Kurume Japan
2. Department of Internal Medicine Tokyo Saiseikai Central Hospital Tokyo Japan
3. Department of Endocrinology and Diabetes School of Medicine Saitama Medical University Saitama Japan
4. Okada Clinic Fukuoka Japan
5. Department of Internal Medicine (I) Osaka Medical College Takatsuki Japan
6. Department of Pediatrics Osaka City University Graduate School of Medicine Osaka Japan
7. Cosmic Corporation Tokyo Japan
8. Diabetes Center Tokyo Women’s Medical University School of Medicine Tokyo Japan
9. Eiju General Hospital Tokyo Japan
10. Sakai City Medical Center Sakai Japan