Affiliation: | (1) School of Public Health, University of California, Berkeley, CA 94720-7360, USA;(2) Department of Preventive Medicine, University of Southern California, Los Angeles, CA 90033-0800, USA;(3) The Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA;(4) Jean Mayer United States Department of Agriculture, Human Nutrition Research Center on Aging at Tufts University, 711 Washington Street, Boston, MA 02111, USA |