1. Department of Obstetrics and Gynecology University of Chicago Chicago IL USA
2. Department of Emergency Medicine University of Arizona Health Sciences Tucson AZ USA
3. Department of Emergency Medicine Maimonides Medical Center New York NY USA
4. Department of Radiology Boston Children's Hospital Boston MA USA
5. Department of Pediatrics U.S Food and Drug Administration Durango CO USA
6. Department of Emergency Medicine ChristianaCare Newark DE USA
7. Department of Opthalmic Science Columbia University Irving Medical Center New York NY USA
8. Department of Emergency Medicine Virginia Commonwealth University Health Richmond VA USA
9. Department of Radiology Northeastern Ohio Medical University Rootstown OH USA
10. Department of Radiology Southwoods Imaging Boardman OH USA