1. Department of Pediatrics University of Washington Seattle Washington USA
2. Center for Child Health, Behavior, and Development Seattle Children's Research Institute Seattle Washington USA
3. Firearm Injury & Policy Research Program University of Washington Seattle Washington USA
4. Department of Epidemiology University of Washington Seattle Washington USA
5. Department of Human Development Washington State University Pullman Washington USA
6. Social Development Research Group, School of Social Work University of Washington Seattle Washington USA
7. Southwest Interdisciplinary Research Center, School of Social Work Arizona State University Phoenix Arizona USA