1. Centre for Population Health Sciences; University of Edinburgh; Edinburgh; UK
2. School of Medicine; University of Southampton; Southampton; UK
3. Quality, Safety and Informatics Research Group; University of Dundee; Dundee; UK
4. British Heart Foundation Glasgow Cardiovascular Research Centre; University of Glasgow; Glasgow; UK
5. Metabolic Unit; Western General Hospital; Edinburgh; UK
6. School of Medical Sciences; University of Aberdeen; Aberdeen; UK