Affiliation: | 1. Veterans Affairs Medical Center, , St. Louis, Missouri;2. Southern Illinois University, , Edwardsville, Illinois;3. Sanford Health, University of South Dakota Medical Center, , Sioux Falls, South Dakota;4. Alzheimer's Disease Center, School of Medicine, Boston University, , Boston, Massachusetts;5. Division of Geriatrics and Nutritional Science, School of Medicine, Washington University, Rehabilitation Institute of St. Louis, , St. Louis, Missouri |