1. USDA, Food and Nutrition Service, Alexandria, VA
2. Panum Group, Bethesda, MD
3. USDA, Agricultural Research Service, Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX
4. Department of Nutrition, University of California, Davis, Davis, CA
5. Mathematica Policy Research, Cambridge, MA
6. Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI
7. Department of Pediatrics, University of Colorado School of Medicine, Denver, CO