1. Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, USA
2. Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
3. Department of Nutrition and Health Sciences, University of Nebraska Lincoln, Lincoln, NE, USA
4. Institute of Gerontology, University of Georgia, Athens, GA, USA
5. Department of Pathology, Division of Neuropathology, University of Kentucky, Lexington, KY, USA
6. Department of Behavioral Health and Nutrition, University of Delaware, Newark, DE, USA
7. Human Development & Family Studies, Iowa State University, Ames, IA, USA
8. Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA