1. Division of Nutrition, Physical Activity, and Obesity, Centers for Disease Control and Prevention, Atlanta, GA.
2. Division of Violence Prevention, Centers for Disease Control and Prevention, Atlanta, GA.
3. Division of Health, Research, Informatics, and Technology, ICF, Atlanta, GA.
4. Research-Evaluation-Learning Unit, Robert Wood Johnson Foundation, Princeton, NJ.
5. Office of Behavioral and Social Sciences Research, National Institutes of Health, Bethesda, MD.