1 Department of Pediatric Neurology (DY) and Pediatric Intensive Care Unit (EA, SK), University of Health Sciences, Dr. Sami Ulus Maternity and Children's Health and Diseases Training and Research Hospital; Departments of Radiology (KKO) and Pediatric Neurology (BK, HT), Faculty of Medicine, Hacettepe University; and Ankara Numune Training and Research Hospital (BC), Genetic Diseases Diagnosis Center, Ankara, Turkey.