1. Department of Psychiatry, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
2. Center for COMBAT Research, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
3. Department of Emergency Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
4. Firearm Injury Prevention Initiative, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
5. New Jersey Gun Violence Research Center, Piscataway, New Jersey, USA
6. School of Public Health, Rutgers, the State University of New Jersey, Piscataway, New Jersey, USA
7. VA Eastern Colorado Geriatric Research Education and Clinical Center, Rocky Mountain Regional VA Medical Center, Aurora, Colorado, USA