1. Altınbaş University Bahçelievler Medical Park Hospital, Clinic of Pediatric Endocrinology, İstanbul, Turkey

2. İstinye University Faculty of Medicine, Department of Pediatric Endocrinology, İstanbul, Turkey

3. Van Yüzüncü Yıl University Faculty of Medicine, Department of Pediatric Endocrinology, Van, Turkey

4. Ondokuz Mayıs University Faculty of Medicine, Department of Pediatric Endocrinology, Samsun, Turkey