1. Departments of Pediatrics (S.N., T.H.), Keio University School of Medicine, Tokyo 160-8582, Japan
2. Department of Endocrinology and Metabolism (K.M., Y.As., M.A.), Kanagawa Children’s Medical Center, Yokohama 232-8555, Japan
3. Pharmacology (Y.Ab., M.Y.), Keio University School of Medicine, Tokyo 160-8582, Japan
4. Neonatal Mass-Screening Committee (M.A.), Kanagawa Prefecture Medical Association, Yokohama 231-0037, Japan