Affiliation: | 1. Department of Pediatric Cardiology, Ankara Children's Hematology and Oncology Research and Training Hospital, Ankara, Turkey;2. Department of Pediatric Hematology, Hacettepe University Faculty of Medicine, Ankara, Turkey;3. Department of Pediatric Hematology, Ankara Children's Hematology and Oncology Research and Training Hospital, Ankara, Turkey;4. Department of Radiology, Hacettepe University Faculty of Medicine, Ankara, Turkey |