1. Department of Emergency Medicine University of California San Francisco San Francisco California USA
2. Division of Emergency Medicine Boston Children's Hospital Boston Massachusetts USA
3. Department of Pediatrics, Dell Medical School University of Texas at Austin Austin Texas USA
4. Emergency Medical Services for Children Data Center Salt Lake City Utah USA
5. Department of Pediatrics University of Utah Salt Lake City Utah USA
6. Division of Critical Care University of Utah Salt Lake City Utah USA
7. Los Angeles County EMS Agency Los Angeles California USA
8. Departments of Emergency Medicine and Pediatrics David Geffen School of Medicine at University of California Los Angeles Los Angeles California USA
9. Departments of Emergency Medicine and Pediatrics Harbor‐University of California Los Angeles Medical Center Torrance California USA
10. Center for Policy and Research in Emergency Medicine, Department of Emergency Medicine Oregon Health & Science University Portland Oregon USA
11. Department of Surgery, Dell Medical School University of Texas at Austin Austin Texas USA
12. Emergency Medical Services for Children Innovation and Improvement Center, University of Texas at Austin Dell Medical School Austin Texas USA