1. Department of Radiology University of Texas Southwestern Medical Center Dallas Texas USA
2. Department of Radiology Seattle Children's Hospital Seattle Washington USA
3. Division of Pediatric Radiology Department of Imaging Sciences University of Rochester Medical Center Rochester New York USA
4. Department of Diagnostic Imaging St Jude Children's Research Hospital Memphis Tennessee USA
5. Department of Pediatric Radiology Akron Children's Hospital Akron Ohio USA
6. Department of Radiology Northeast Ohio Medical University Rootstown Ohio USA
7. Department of Pediatric Radiology Lucile Packard Children's Hospital Stanford University Stanford California USA
8. Division of Nuclear Medicine Department of Diagnostic Imaging The Hospital for Sick Children University of Toronto Toronto Ontario Canada
9. Department of Radiology Cincinnati Children's Hospital Medical Center University of Cincinnati College of Medicine Cincinnati Ohio USA