1. Western Human Nutrition Research Center, Agriculture Research Service, U.S. Department of Agriculture
2. Department of Food and Nutrition, Seoul National University, Seoul, South Korea
3. Department of Medical Pathology, University of California Davis Medical Center
4. The School of Public Health, Seoul National University, Seoul, South Korea
5. Division of Nutritional Genomics, Children's Hospital Oakland Research Institute, Oakland, CA
6. Department of Nutrition and Rowe Program in Genetics, University of California at Davis, Davis, CA 95616