1. Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
2. Firearm Injury Prevention Initiative, University of Colorado School of Medicine, Aurora, Colorado, USA
3. VA Eastern Colorado Geriatric Research Education and Clinical Center, Aurora, Colorado, USA
4. Center for Gun Violence Solutions, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
5. Adult & Child Consortium for Outcomes Research & Delivery Science, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
6. Division of Cardiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
7. Center for Innovative Design & Analysis, Department of Biostatistics & Informatics, Colorado School of Public health, Aurora, Colorado, USA
8. Department of Mental Health Law and Policy at the de la Parte Florida Mental Health Institute, College of Behavioral and Community Sciences, University of South Florida, Tampa, Florida, USA
9. Violence Prevention Research Program, University of California Davis School of Medicine, Sacramento, California, USA
10. Firearm Injury & Policy Research Program, University of Washington, Seattle, Washington, USA
11. Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington, USA
12. Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut, USA
13. Center for Statistical Training and Consulting, Michigan State University, Lansing, Michigan, USA
14. Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina, USA
15. Department of Health Management and Policy, University of Michigan, School of Public Health, Ann Arbor, Michigan, USA
16. Institute for Firearm Injury Prevention, University of Michigan, Ann Arbor, Michigan, USA