1. Department of Pediatrics, University of Colorado School of Medicine, Aurora
2. Children’s Hospital Association, Overland Park, Kansas
3. Department of Pediatrics, University of Missouri–Kansas City School of Medicine, Kansas City
4. Department of Emergency Medicine, University of Michigan, Ann Arbor5Department of Pediatrics, University of Michigan, Ann Arbor
5. Department of Pediatric Emergency Medicine, Children's Hospitals and Clinics of Minnesota, Minneapolis
6. Children’s Health System of Texas, University of Texas Southwestern, Dallas
7. Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
8. Department of Pediatrics, Baylor College of Medicine, Houston, Texas
9. Department of Family and Community Medicine, University of California at San Francisco
10. Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia