1. Departments of Radiology, Ankara Training and Research Hospital, Ankara, Turkey

2. Department of Pediatric Dentistry, Hacettepe University Faculty of Medicine, Ankara, Turkey

3. Department of Radiology, Ankara Training and Research Hospital, Ankara, Turkey

4. Department of Biostatistics, Hacettepe University Faculty of Medicine, Ankara, Turkey

5. Department of Imaging Sciences University of Rochester School of Medicine, Rochester, New York, USA