1 Department of Emergency Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Firearm Injury Prevention Initiative, University of Colorado Anschutz Medical Campus, and VA Eastern Colorado Geriatric Research Education and Clinical Center, Aurora, Colorado.
2 Firearm Injury Prevention Initiative and Center for COMBAT Research, Department of Emergency Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado.
3 Firearm Injury Prevention Initiative, University of Colorado Anschutz Medical Campus, Aurora, Colorado.
4 Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado.
5 Department of Psychiatry and Behavioral Health, The Ohio State University College of Medicine, Columbus, Ohio.
6 RAND Corporation, Santa Monica, California.
7 New Jersey Gun Violence Research Center, Rutgers School of Public Health, Rutgers University, Piscataway, New Jersey.