1. Department of Pediatrics, University of Utah, Salt Lake City, UT, USA
2. The Pediatric Emergency Care Applied Research Network, Salt Lake City, UT, USA
3. Department of Pediatrics, Children’s Hospital of Eastern Ontario, Ottawa, ON, Canada
4. Department of Emergency Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
5. Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, USA
6. Department of Pediatrics, Wayne State University School of Medicine, Detroit, MI, USA
7. University of California, Davis, Davis, CA, USA
8. Division of Emergency Medicine, Children’s National Medical Center, Washington, DC, USA
9. Baylor College of Medicine, Houston, TX, USA
10. The EMMES Corporation, Rockville, MD, USA
11. University of Texas, Southwestern, Dallas, TX, USA