1. Department of Pediatric Endocrinology and Metabolism; Children's Medical Center, Osaka City General Hospital; Osaka; Japan
2. Department of Pediatrics; Nishi-Kobe Medical Center; Kobe; Japan
3. Division of Endocrinology and Metabolism; Saitama Children's Medical Center; Saitama; Japan
4. Department of Pediatrics; Asahikawa Medical University; Asahikawa; Japan
5. Department of Pediatrics; Takarazuka City Hospital; Takarazuka; Japan
6. Department of Radiology; Kizawa Memorial Hospital; Minokamo; Japan
7. Department of Pediatrics; Kizawa Memorial Hospital; Minokamo; Japan