1. Division Of Pediatric Endocrinology, Department Of Pediatrics, Marmara University Medical Faculty, İstanbul, Turkey

2. Ministry Of Health Bakırköy Childhood And Maternity Education Hospital, İstanbul, Turkey

3. Atatürk University Medical Faculty, Erzurum, Turkey

4. Division Of Pediatric Endocrinology, Yüzüncü Yıl University Medical Faculty, Van, Turkey

5. Department Of Biochemistry, Marmara University Medical Faculty, İstanbul, Turkey