1. Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
2. Department of Neurology, Drexel University College of Medicine, Philadelphia, Pennsylvania
3. Department of Clinical & Health Psychology, University of Florida, Gainesville, Florida
4. Department of Psychiatry, University of Illinois, Chicago, Illinois
5. VA San Diego Healthcare System and Department of Psychiatry, University of California, San Diego, California
6. Department of Psychiatry, University of California San Diego School of Medicine, La Jolla, California
7. Wisconsin Alzheimer’s Institute, Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine & Public Health, Madison, Wisconsin
8. Department of Psychology, University of Southern California, Los Angeles, California
9. Department of Neurology, Boston University School of Medicine, Boston, Massachusetts
10. Framingham Heart Study/National Heart Lung and Blood Institute, Framingham, Massachusetts
11. Department of Neuroscience, North Dakota School of Medicine, Fargo, North Dakota