1. Department of Emergency Medicine; David Geffen School of Medicine at UCLA; Department of Emergency Medicine; Harbor-UCLA Medical Center; Torrance CA
2. Department of Emergency Medicine; Boston University School of Medicine; Boston Medical Center; Boston MA
3. Research Division; Eatontown NJ
4. Department of Emergency Medicine; UCSF School of Medicine; Oakland CA
5. Alameda Health System-Highland Hospital; Oakland CA
6. Department of Emergency Medicine, Maimonides Medical Center; Brooklyn NY
7. J3Personica; Eatontown NJ
8. Department of Emergency Medicine; Oregon Health and Science University; Portland OR