1 Georgetown University Medical Center, Washington, DC.
2 Department of Epidemiology, School of Public Health and Community Medicine, University of Washington, Seattle, WA.
3 Chronic Disease Prevention Branch, US Centers for Disease Control and Prevention, Atlanta, GA.
4 Pediatric Epidemiology Section, Division of Epidemiology, Statistics and Prevention Research, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD.
5 Division of Science and Applied Technology, Office of Food Labeling, Center for Food Safety and Applied Nutrition, US Food and Drug Administration, Washington, DC.
6 Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA.
7 Office of Special Nutritionals, Center for Food Safety and Applied Nutrition, US Food and Drug Administration, Washington, DC.
Abbreviations: FDA, US Food and Drug Administration
NOTES
Reprint requests to Dr. Manning Feinleib, Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street, Room E6153, Baltimore, MD 21205 (e-mail: mfeinlei{at}jhsph.edu).
Received for publication April 27, 2001. Accepted for publication September 13, 2001.