1. Department of Emergency Medicine; Massachusetts General Hospital and Harvard Medical School; Boston MA
2. Department of Emergency Medicine; University of California; Los Angeles CA
3. Department of Emergency Medicine; University of California; Davis CA
4. Department of Emergency Medicine; San Francisco Fresno Medical Education Program; San Francisco CA
5. Department of Emergency Medicine; Cooper Medical School of Rowan University; Camden NJ
6. Department of Emergency Medicine; University of California at San Diego School of Medicine; San Diego CA
7. Department of Emergency Medicine; University of California; San Francisco CA