1. Department of Emergency Medicine School of Medicine University of Colorado Anschutz Medical Campus Aurora Colorado USA
2. Injury and Violence Prevention Center Colorado School of Public Health University of Colorado Anschutz Medical Campus Aurora Colorado USA
3. VA Eastern Colorado Geriatric Research Education and Clinical Center Denver Colorado USA
4. Firearm Injury Policy and Research Program Harborview Injury Prevention and Research Center University of Washington Seattle Washington USA
5. Department of Epidemiology Colorado School of Public Health Aurora Colorado USA
6. Denver Health Emergency Medicine Residency Denver Health and Hospital Authority Denver Colorado USA
7. Department of Epidemiology School of Public Health University of Washington Seattle Washington USA
8. Division of Cardiology School of Medicine University of Colorado Anschutz Medical Campus Aurora Colorado USA
9. Adult & Child Consortium for Outcomes Research & Delivery Science School of Medicine University of Colorado Anschutz Medical Campus Aurora Colorado USA