1. University of Aberdeen; Health Services Research Unit, School of Medicine, Medical Sciences and Nutrition; Health Sciences Building Foresterhill Aberdeen UK AB25 2ZD
2. University of East Anglia; Faculty of Medicine and Health Sciences; Queen's Building Norwich Norfolk UK NR4 7TJ
3. Addenbrookes NHS Trust, Cambridge University Hospital; Department of General Medicine; Hills Road Cambridge Cambridgeshire UK CB2 0QQ
4. Gosford Hospital; Department of Aged Care and Rehabilitation; Gosford New South Wales (NSW) Australia 2200
5. University of Aberdeen; Division of Applied Health Sciences, School of Medicine, Medical Sciences and Nutrition; Room 4:013 Polwarth Building Foresterhill Aberdeen UK AB25 2ZD