1. Yıldırım Beyazıt University Faculty of Medicine, Yenimahalle Training and Research Hospital , Department of Pediatric Endocrinology , Batıkent , 06370 Ankara , Turkey , Phone: +90-0505-9443311, Fax: +90-0312-5873775
2. Department of Radiology , Yenimahalle Training and Research Hospital, University of Yıldırım Beyazıt , Ankara , Turkey