1. From the Department of Nutritional Sciences, Pennsylvania State University, University Park, PA (JHL, BJR, HS-W, and DCM); the Departments of Nutrition and Medicine, University of Alabama at Birmingham, Birmingham, AL (JDA); the Pennington Biomedical Research Center, Baton Rouge, LA (CC); the Kaiser Permanente Center for Health Research, Portland, OR (NK and VJS); the Duke University Medical Cent