1. Department of Pediatrics and Emergency Medicine University of Ottawa Ottawa ONCanada
2. Department of Pediatrics University of Louisville Louisville KY
3. Division of Pediatric Emergency Medicine Alpert Medical School of Brown University Providence RI
4. Department of Emergency Medicine Denver Health Medical Center University of Colorado School of Medicine Aurora CO
5. Department of Pediatrics University of California at San Diego San Diego CA
6. Department of Emergency Medicine New York University Winthrop Mineola NY
7. St. Christopher's Hospital for Children Philadelphia PA
8. Department of Emergency Medicine Newark Beth Israel Medical Center Children's Hospital of New Jersey Newark NJ
9. Department of Pediatrics Feinberg School of Medicine Northwestern University Chicago IL
10. Department of Emergency Medicine Columbia University Vagelos College of Physicians and Surgeons New York NY