1. From the Nursing, Midwifery and Allied Health Professions Research Unit (NMAHP RU) (A.P., S.E.F., M.C.B.) and Institute of Applied Health Research (F.v.W.), Glasgow Caledonian University, United Kingdom; Academic Section of Geriatric Medicine, University of Glasgow, United Kingdom (P.L.); Centre for Clinical Brain Sciences, University of Edinburgh, United Kingdom (G.E.M.); and Wissenschaftliches Institut, Klinik Bavaria, Kreischa, Germany (J.M.).