1. Department of Emergency Medicine Cooper Medical School of Rowan University Camden New Jersey USA
2. Department of Emergency Medicine University of California at Los Angeles School of Medicine Los Angeles California USA
3. Department of Emergency Medicine University of California at San Diego School of Medicine San Diego California USA
4. Section of Emergency Medicine Louisiana State University Health Sciences Center New Orleans Louisiana USA
5. Department of Emergency Medicine UCSF–Fresno Medical Education Program Fresno California USA
6. Academic Research Systems University of California San Francisco California USA
7. Department of Psychiatry University of California at San Francisco School of Medicine San Francisco California USA
8. Department of Emergency Medicine University of California at San Francisco School of Medicine San Francisco California USA