1. Food and Nutrition Service, USDA, Alexandria, VA
2. Center for Research in Nutrition and Health Disparities, University of South Carolina, Columbia, SC
3. Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, SC
4. Department of Health Promotion, Education, and Behavior, Arnold School of Public Health, University of South Carolina, Columbia, SC
5. Food Research and Action Center, Washington, DC
6. Department of Nutrition, University of Tennessee, Knoxville, TN