1. Division of Violence Prevention, National Center for Injury Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Division for Heart Disease and Stroke Prevention, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. Office of Health Equity and Health Disparities, Centers for Disease Control and Prevention, U.S. Public Health Service Commissioned Corps, Rockville, Maryland, USA