1. Department of Pediatrics and Developmental Biology, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
2. Department of Pediatrics, Oita University Faculty of Medicine, Oita 879-5593, Japan
3. Department of Pediatrics, Gunma University Graduate School of Medicine, Gunma 371-8511, Japan
4. Department of Pediatrics, Sapporo Medical University School of Medicine, Hokkaido 060-8543, Japan
5. Department of Pediatrics, Kitasato University, Kanagawa 252-0375, Japan
6. Department of Pediatrics, Shimane University Faculty of Medicine, Shimane 690-8501, Japan
7. Department of Pediatrics, Toho University Omori Medical Center, Tokyo 143-8541, Japan
8. Department of Pediatrics, Hamamatsu University School of Medicine, Shizuoka 431-3192, Japan
9. Department of Pediatrics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8501, Japan
10. Division of Endocrinology and Metabolism, Saitama Children’s Medical Center, Saitama 330-8777, Japan
11. Division of Pediatric Endocrinology and Metabolism, Shikoku Medical Center for Children and Adults, Kagawa 765-8507, Japan
12. Division of Endocrinology and Metabolism, Tokyo Metropolitan Children’s Medical Center, Tokyo 183-8561, Japan