1. Department of Metabolism, Endocrinology, and Molecular Medicine Osaka City University Graduate School of Medicine Osaka Japan
2. Division of Nephrology and Endocrinology The University of Tokyo Hospital Tokyo Japan
3. Department of Internal Medicine, Severance Hospital, Endocrine Research Institute Yonsei University College of Medicine Seoul Republic of Korea
4. Endocrine Center Toranomon Hospital Tokyo Japan
5. Okinaka Memorial Institute for Medical Research Tokyo Japan
6. Department of Internal Medicine Seoul National University Hospital Seoul Republic of Korea
7. Division of Diabetes and Endocrinology Kobe University Hospital Kobe Japan
8. Kyowa Kirin Co., Ltd. Tokyo Japan
9. Department of Pediatrics Osaka Hospital, Japan Community Healthcare Organization (JCHO) Osaka Japan
10. Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences Tokushima University Tokushima Japan