1. University of Glasgow; Academic Section of Geriatric Medicine, Division of Cardiovascular & Medical Sciences, Faculty of Medicine; Room 5, 4th Floor, Walton Building Royal Infirmary Glasgow UK G4 0SF
2. University of Glasgow; Cardiovascular and Medical Sciences; Walton Building Glasgow Royal Infirmary Glasgow UK G4 0SF
3. NHS Greater Glasgow & Clyde; Department of General Medicine; 47 Broompark Drive Newton Mearns Glasgow UK G77 5DZ
4. University of Edinburgh; MRC Hub for Trials Methodology Research, Centre for Population Health Sciences, Medical School; Teviot Place Edinburgh UK EH8 9AG
5. MRC Clinical Trials Unit; Aviation House 125 Kingsway London UK WC2B 6NH
6. University of Glasgow; Academic Section of Geriatric Medicine; Rm 9, 4th Floor, Wlalton Building Glasgow Royal Infirmary Glasgow Strathclyde UK G4 0SFR
7. University of Glasgow; Nursing & Health Care, College of Medical, Veterinary and Life Sciences; 59 Oakfield Avenue Glasgow UK G12 8LW