1. Department of Emergency Medicine and Pediatrics University of Michigan Ann Arbor MI
2. Department of Pediatrics The Ohio State University Nationwide Children's Hospital Columbus OH
3. Division of Pediatric Emergency Medicine University of Utah Salt Lake City UT
4. Departments of Emergency Medicine and Pediatrics University of California Davis School of Medicine Sacramento CA
5. Department of Pediatrics Children's Hospital Colorado Denver CO
6. Department of Pediatrics Cincinnati Children's Hospital Medical Center Cincinnati OH
7. Department of Emergency Medicine Children's National Medical Center Washington DC
8. Children's Hospital of Wisconsin Section of Pediatric Emergency Medicine Medical College of Wisconsin Milwaukee WI
9. Departments of Pediatrics and Emergency Medicine Emory University Children's Healthcare of Atlanta Atlanta GA
10. Department of Pediatric Medicine Emergency Medicine Texas Children's Hospital Baylor College of Medicine Houston TX
11. Division of Neurosurgery Barrow Neurological Institute at Phoenix Children's Hospital Phoenix AZ
12. Division of Emergency Medicine Phoenix Children's Hospital Phoenix AZ
13. Division of Pediatric Emergency Medicine Children's Hospital of Michigan Wayne State University Detroit MI
14. Department of Emergency Medicine Children's Hospital of Philadelphia University of Pennsylvania Philadelphia PA
15. Division of Emergency Medicine Boston Children's Hospital Boston MA
16. Division of Pediatric Emergency Medicine Emergency Medicine Helen DeVos Children's Hospital Grand Rapids MI
17. Department of Emergency Medicine Michigan State University Grand Rapids MI
18. Departments of Emergency Medicine and Pediatrics/Adolescent Medicine Western Michigan University School of Medicine Kalamazoo MI
19. Division of Pediatric Emergency Medicine Washington University School of Medicine St. Louis MO
20. Division of Pediatric Critical Care PECARN Data Coordinating Center University of Utah Salt Lake City UT