1. Glasgow Caledonian University; Nursing, Midwifery and Allied Health Professions Research Unit; Buchanan House Cowcaddens Road Glasgow UK G4 0BA
2. University of Glasgow; Academic Section of Geriatric Medicine; Level 2, New Lister Building Glasgow Royal Infirmary Glasgow UK G31 2ER
3. University of Edinburgh; Centre for Clinical Brain Sciences; Room S1642, Royal Infirmary Little France Crescent Edinburgh UK EH16 4SA
4. Private Europäische Medizinische Akademie der Klinik Bavaria in Kreischa GmbH; Wissenschaftliches Institut; An der Wolfsschlucht 1-2 Kreischa Germany 01731
5. Glasgow Caledonian University; Institute for Applied Health Research and the School of Health and Life Sciences; Glasgow UK