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
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