1. Division of Emergency Medicine, Department of Pediatrics Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine Chicago Illinois USA
2. Department of Pediatrics University of Utah Salt Lake City Utah USA
3. Division of Emergency Medicine, Department of Pediatrics Texas Children's Hospital, Baylor College of Medicine Houston Texas USA
4. Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center University of Cincinnati Cincinnati Ohio USA
5. Department of Emergency Medicine Brown University, Hasbro Children's Hospital Providence Rhode Island USA
6. Department of Pediatrics Brown University, Hasbro Children's Hospital Providence Rhode Island USA
7. Division of Emergency Medicine Children's National Medical Center Washington DC USA
8. Division of Emergency Medicine, Department of Pediatrics and Emergency Medicine Emory University School of Medicine, Children's Healthcare of Atlanta Atlanta Georgia USA
9. Department of Emergency Medicine, Division of Pediatric Emergency Medicine University of California, San Francisco San Francisco California USA
10. Department of Pediatrics, Section of Emergency Medicine, Children's Hospital Colorado University of Colorado Aurora Colorado USA
11. Department of Pediatrics, Medical College of Wisconsin Milwaukee Wisconsin USA
12. Department of Emergency Medicine, The Lundquist Institute for Biomedical Innovation at Harbor UCLA, Harbor UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA
13. Division of Emergency Medicine Nationwide Children's Hospital Columbus Ohio USA
14. Department of Emergency Medicine University of California, Davis Sacramento California USA
15. Division of Emergency Medicine, Department of Pediatrics, Seattle Children's Hospital University of Washington Seattle Washington USA
16. Division of Emergency Medicine, Department of Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA