1. University of Washington School of Medicine, Department of Emergency Medicine, Seattle, Washington
2. University of Washington School of Public Health, Department of Health Systems and Population Health, Seattle, Washington; University of Washington, Department of Child, Family, and Population Health Nursing, Seattle, Washington
3. Harborview Medical Center, University of Washington, Department of Medicine, Seattle, Washington
4. School of Public Health, University of Washington, Department of Health Services and Population Health, Seattle, Washington; University of Washington School of Medicine, Addictions, Drug & Alcohol Institute, Department of Psychiatry and Behavioral Sciences, Seattle, Washington