1. University of Glasgow; Academic Section of Geriatric Medicine; University Block Glasgow Royal Infirmary Glasgow UK G4 0SF
2. Glasgow Caledonian University; Nursing, Midwifery and Allied Health Professions Research Unit; Buchanan House Cowcaddens Road Glasgow UK G4 0BA
3. Queen Margaret University; School of Health Sciences; Leith Campus Duke Street Edinburgh UK EH6 8HF
4. University of Dundee; School of Nursing and Midwifery; 11 Airlie Place Dundee UK DD1 4HJ