1. Department of Emergency Medicine, Duke University, Durham, North Carolina
2. Durham County Emergency Medical Services, Durham, North Carolina
3. Department of Emergency Medicine, The University of Texas Health Science Center at Houston, Houston, Texas
4. Department of Emergency Medicine, Oregon Health & Science University, Portland, Oregon
5. Berry Consultants, LLC, Austin, Texas
6. Department of Emergency Medicine, Stanford University School of Medicine, Palo Alto, California
7. Los Angeles County Emergency Medical Services Agency, Los Angeles, California
8. Department of Emergency Medicine, Harbor-UCLA Medical Center, Torrance, California
9. David Geffen School of Medicine at UCLA, Los Angeles, California
10. Department of Pediatrics, Harbor-UCLA Medical Center, Torrance, California
11. Department of Pediatrics, University of Utah, Salt Lake City, Utah
12. Houston Fire Department, Houston, Texas
13. Department of Emergency Medicine, The Ohio State University, Columbus, Ohio