1. Department of Pediatrics (T.Y., K.K., M.M., T.I., M.K., T.N.), Kyoto University Hospital, Kyoto 606-8507
2. Department of Pediatrics (Y.N.), Hiroshima Red Cross Hospital, Hiroshima 730-8619
3. Departments of Urology (S.S.), Tokyo 204-8567, Japan
4. Endocrinology and Metabolism (Y.H.), Tokyo Metropolitan Kiyose Children’s Hospital, Tokyo 204-8567, Japan