1. aDepartments of Pediatrics
2. cFirearm Injury and Policy Research Program
3. bCenter for Child Health, Behavior, and Development, Seattle Children’s Research Institute, Seattle, Washington; and
4. dChild, Family, and Population Health Nursing
5. eAllies in Healthier Systems for Health & Abundance in Youth, Department of Psychiatry, University of Washington, Seattle, Washington
6. fRegional Domestic Violence Firearms Enforcement Unit, King County, Washington
7. gEpidemiology