1. Department of Radiology Section of Pediatric Radiology Children's Hospital Colorado University of Colorado Anschutz Medical Campus Aurora Colorado USA
2. Departments of Pediatrics and Radiology Emory University School of Medicine Children's Healthcare of Atlanta Atlanta Georgia USA
3. Department of Radiology Mayo Clinic Rochester Minnesota USA
4. Department of Diagnostic Imaging St. Jude Children's Research Hospital Memphis Tennessee USA
5. Department of Radiology Cincinnati Children's Hospital Cincinnati Ohio USA
6. Department of Radiology University of Cincinnati College of Medicine Cincinnati Ohio USA