1 NHS Research Scotland, Enabling Research in Care Homes (ENRICH) Scotland, Dundee, UK.
2 Rashielee Care Home, Rashielee Avenue, Erskine, UK.
3 Ageing and Health Research Group & Advanced Care Research Centre, Usher Institute, The University of Edinburgh, 5 Little France Road, Edinburgh EH16 4UX, UK.
4 Academic Geriatric Medicine, School of Cardiovascular & Metabolic Health, University of Glasgow, New Lister Building, Glasgow Royal Infirmary, Glasgow G12 8QQ, UK.