1. Division of Pediatric Endocrinology, Department of Pediatrics, School of Medicine, Kocaeli University , İzmit , Kocaeli , Turkey
2. Division of Pediatric Oncology, Department of Pediatrics , School of Medicine, Kocaeli University , Kocaeli , Turkey
3. Department of Academic Writing , Kocaeli University , Kocaeli , Turkey
4. Department of Radiology , School of Medicine, Kocaeli University , Kocaeli , Turkey