1. University of Health Sciences Turkey, İstanbul Prof. Dr. Cemil Taşçıoğlu City Hospital, Clinic of Pediatrics, Division of Pediatric Endocrinology, İstanbul, Turkey

2. Trakya University Faculty of Medicine, Department of Pediatrics, Clinic of Pediatric Endocrinology, Edirne, Turkey

3. Trakya University Faculty of Medicine, Department of Biochemistry, Edirne, Turkey