1. İstanbul University, İstanbul Faculty of Medicine, Department of Pediatrics, İstanbul, Turkey

2. İstanbul University, İstanbul Faculty of Medicine, Department of Cardiology, İstanbul, Turkey

3. İstanbul University, İstanbul Faculty of Medicine, Department of Pediatric Endocrinology, İstanbul, Turkey

4. University of Kryrenia Faculty of Medicine, Department of Pediatrics Endocrinology, Kyrenia, Northern Cyprus