[1] Tufts Univ, USDA, Human Nutr Res Ctr, Vitamin Lab K, Boston, MA 02111 USA
[2] San Diego State Univ, Dept Psychol, San Diego, CA 92182 USA
[3] Kaiser Permanente Ctr Hlth Res, Portland, OR USA
[4] Univ Colorado, Hlth Sci Ctr, Ctr Human Nutr, Denver, CO USA
[5] Penn State Univ, Dept Human Dev & Family Studies, University Pk, PA 16802 USA
[6] Georgia Inst Technol, Coll Architecture, Atlanta, GA USA
[7] Univ Hawaii, Canc Res Ctr Hawaii, Honolulu, HI 96813 USA
[8] Univ S Florida, Dept Anthropol, Tampa, FL 33620 USA
[9] Kraft Gen Foods Inc, Corp Affairs, Northfield, IL USA
[10] Univ N Carolina, Carolina Populat Ctr, Dept Nutr, Chapel Hill, NC USA
[11] Indiana Univ, Sch Med, Sch Allied Hlth Sci, Nutr & Dietet Program, Indianapolis, IN USA
[12] Univ Nevada, Sch Med, Nutr Educ & Res Program, Reno, NV 89557 USA
[13] Tufts Univ, USDA, Jean Mayer Human Nutr Res Ctr Aging, Energy Metab Lab, Boston, MA USA