1. Division of Pediatric Emergency Medicine, Department of Emergency Medicine Alpert Medical School of Brown University Providence RI
2. Department of Pediatrics University of Texas at Austin Dell Medical School Dell Children's Medical Center of Central Texas Austin TX
3. Division of Emergency Medicine George Washington University School of Medicine and Health Sciences Washington DC
4. Division of Pediatric Emergency Medicine Department of Emergency Medicine Maimonides Medical Center Brooklyn NY
5. Department of Emergency Medicine Division of Pediatric Emergency Medicine Columbia University Vagelos College of Physicians and Surgeons New York NY
6. Division of Emergency Medicine Department of Pediatrics University of Toronto Toronto Ontario Canada
7. Department of Emergency Medicine Warren Alpert School of Medicine at Brown University and Injury Prevention Center Providence RI
8. Department of Pediatrics and Emergency Medicine University of Ottawa Ottawa Ontario Canada