Affiliation: | 1. School of Health and Population Sciences, University of Birmingham, Edgbaston, Birmingham, UK;2. Institute of General Practice (ifam), Medical Faculty of the Heinrich Heine University Düsseldorf, Düsseldorf, Germany;3. Ninewells Hospital and Medical School, Dundee DD1 9SY and School of Nursing & Health Sciences, University of Dundee, Dundee, Scotland;4. Department of Ageing and Health, Ninewells Hospital and Medical School, Dundee, UK;5. School of Nursing & Health Sciences, University of Dundee, Dundee, UK |