1. VA Tennessee Valley Healthcare System Geriatric Research Education Clinical Center (GRECC); Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee (T.L.R., A.M.H., T.A.E.)
2. VA Tennessee Valley Healthcare System Geriatric Research Education Clinical Center (GRECC); Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, Tennessee (A.E.H., A.J.H., R.G.)
3. VA Tennessee Valley Healthcare System Geriatric Research Education Clinical Center (GRECC); Department of Health Policy, Vanderbilt University Medical Center, Nashville, Tennessee (C.G.G.)
4. VA Tennessee Valley Healthcare System Geriatric Research Education Clinical Center (GRECC); and Departments of Medicine and Department of Health Policy, Vanderbilt University Medical Center, Nashville, Tennessee (C.L.R.).