1. aDivision of Emergency Medicine, Department of Pediatrics, Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL
2. bDepartment of Pediatrics, University of Utah, Salt Lake City, Utah
3. cDivision of Emergency and Transport Medicine, Children’s Hospital Los Angeles, Department of Pediatrics, Keck School of Medicine of the University of Southern California, Los Angeles, California
4. dDivision of Emergency Medicine, Department of Pediatrics and Department of Emergency Medicine, Emory University School of Medicine, Children’s Healthcare of Atlanta, Atlanta, Georgia
5. eDepartments of Emergency Medicine and Pediatrics, Brown University, Hasbro Children’s Hospital, Providence, Rhode Island
6. fDepartment of Emergency Medicine, Division of Pediatric Emergency Medicine, University of California, San Francisco, San Francisco, California
7. gDivision of Emergency Medicine, Children’s National Hospital, George Washington University, Washington, District of Columbia
8. hDepartment of Pediatrics, Section of Emergency Medicine, Children’s Hospital Colorado, University of Colorado, Aurora, Colorado
9. iDivision of Emergency Medicine, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio
10. jDepartment of Emergency Medicine, University of California, Davis, Sacramento, California
11. kDepartment of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York
12. lDivision of Emergency Medicine, Nationwide Children’s Hospital, Columbus, Ohio
13. mDepartment of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin