1. Veterans Affairs Connecticut Health Care System, West Haven
2. Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
3. Harvard Injury Control Research Center, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
4. Firearm Injury Prevention Initiative, University of Colorado Anschutz School of Medicine, Aurora
5. Division of Hospital Medicine, University of Colorado Anschutz School of Medicine, Aurora
6. Department of Health Sciences, Northeastern University, Boston, Massachusetts