1. Department of Surgery; Division of Emergency Medicine; University of Texas Southwestern Medical Center; Dallas TX
2. Department of Emergency Medicine; University of Colorado School of Medicine; Denver CO
3. University of South Florida; Lehigh Valley Health Network; Allentown PA
4. Department of Emergency Medicine at Warren Alpert Medical School of Brown University; Providence RI
5. Department of Emergency Medicine; Yale University; New Haven CT
6. Irving Fire Department; Irving TX
7. Dallas Fire-Rescue Department; Dallas TX
8. Department of Emergency Medicine; University of Pennsylvania; Philadelphia PA