1. From the Department of Medicine (IV, JP) and the Department of Neurobiology, Caring Sciences and Society (YFL, AG, GFI, MEJ, and L-OW), Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden, and the Department of Public Health and Caring Sciences (TC, HB, and BV) Division of Geriatrics (HB) and the Division of Clinical Nutrition and Metabolism Research (TC and BV), Upp