1. Department of Emergency Medicine, UC Davis School of Medicine, Sacramento, California.
2. City of Sacramento Fire Department, Sacramento, California.
3. Sacramento Metropolitan Fire Department, Sacramento, California.
4. American Medical Response, Sacramento, California.
5. Kaiser Permanente South Sacramento Medical Center, Sacramento, California.
6. Mercy General Hospital, Sacramento, California.
7. Sutter General Hospital, Sacramento, California.
8. Cosumnes Community Services District Fire Department, Elk Grove, California.
9. City of Folsom Fire Department, Folsom, California.
10. Centers for Disease Control and Prevention, Atlanta, Georgia.
11. Bridge to Heath, Atlanta, Georgia.
12. Kaiser Permanente Division of Research, Oakland, California.
13. Kaiser Permanente Sacramento Medical Center, Sacramento, California.
14. Kaiser Permanente San Rafael Medical Center, San Rafael, California.
15. Department of Neurological Surgery, UC Davis School of Medicine, Sacramento, California.