1. David Geffen School of Medicine, Department of Psychiatry, University of California Los Angeles (UCLA), Los Angeles, California
2. UCLA Resnick Neuropsychiatric Hospital, Los Angeles, California
3. Los Angeles County Emergency Medical Services Agency, Los Angeles, California
4. Department of Emergency Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California
5. Department of Emergency Medicine, Harbor-UCLA Medical Center, Los Angeles, California
6. The Lundquist Institute, Los Angeles, California
7. UCLA, Los Angeles, California