1. Department of Endocrinology and Metabolism, National Research Institute for Child Health and Development
2. Department of Pediatrics, Hiroshima Red-Cross Hospital
3. Division of Endocrinology and Metabolism, Tokyo Metropolitan Kiyose Children's Hospital
4. Department of Pediatrics, Osaka University School of Medicine
5. Department of Pediatrics, Toyama Municipal Hospital
6. Department of Orthopedics, Shizuoka Children's Hospital
7. Department of Pediatrics, Dokkyo University School of Medicine Koshigaya Hospital
8. Division of Endocrinology and Metabolism, National Research Center for Child Health and Development