1. Division of Diabetes and Endocrinology Kobe University Graduate School of Medicine Kobe Japan
2. Division of Diabetes, Metabolism and Endocrinology Iwate Medical University Morioka Japan
3. Division of Pediatric Endocrinology and Metabolism Children’s Medical Center Osaka City General Hospital Osaka Japan
4. Department of Pediatrics Sanno Hospital Tokyo Japan
5. First Department of Medicine Wakayama Medical University Wakayama Japan
6. Department of Metabolism and Diabetes Tohoku University Graduate School of Medicine Sendai Japan