1 From the Aging Research Center (B.H.) and Division of Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society (M.K.), Karolinska Institute, Stockholm, Sweden; Department of Geriatric Medicine (B.H.), Klinikum Ingolstadt, Germany; Medical Unit Aging (M.K.), Karolinska University Hospital, Stockholm, Sweden; Ageing Epidemiology (AGE) Research Unit (M.K.), School of Public Health, Imperial College London, UK; and Institute of Public Health and Clinical Nutrition and Institute of Clinical Medicine, Neurology (M.K.), University of Eastern Finland, Kuopio.