1. Department of Medicine, Royal Infirmary of Edinburgh , 51 Little France Cres, Edinburgh EH16 4SA , United Kingdom
2. Department of Acute Medicine, Forth Valley Royal Hospital , Stirling Rd, Larbert FK5 4WR , United Kingdom
3. Department of Public Health, Medical Statistician, Western General Hospital , Crewe Rd S, Edinburgh EH4 2XU , United Kingdom
4. Metabolic Unit, Western General Hospital , Crewe Rd S, Edinburgh EH4 2XU , United Kingdom
5. Gullane Medical Practice , Hamilton Road, Gullane, East Lothian EH31 2HP , United Kingdom
6. Craigmillar Medical Group , 106 Niddrie Mains Road, Edinburgh EH16 4DT , United Kingdom
7. Penicuik Medical Practice , 37 Imrie Place, Penicuik EH26 8LF , United Kingdom
8. Usher Institute, University of Edinburgh , Edinburgh EH8 9AG , United Kingdom
9. Department of Acute Medicine, Acute Assessment Unit, Jubilee Building, Glasgow Royal Infirmary , Glasgow G4 0SF , United Kingdom