1. Section of Gerontology and Geriatrics, Sticht Center for Healthy Aging and Alzheimer’s Prevention, Department of Internal Medicine, Wake Forest School of Medicine, Winston Salem, North Carolina
2. Department of Neuroscience, Wake Forest School of Medicine, Winston Salem, North Carolina
3. Department of Family Medicine and Public Health, University of California San Diego School of Medicine, La Jolla, California
4. Department of Pathology/Comparative Medicine, Wake Forest School of Medicine, Winston Salem, North Carolina
5. Division of Geriatrics and Gerontology, Department of Medicine, University of California San Diego School of Medicine, La Jolla, California