1. Endocrinology Unit (R.M.R., J.L., J.R.S., B.R.W.), Centre for Cardiovascular Science, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, United Kingdom
2. Metabolic Unit (M.W.J.S., A.B.), Western General Hospital, Edinburgh EH4 2XU, United Kingdom
3. Centre for Population Health Sciences (F.G.R.F., J.F.P.), University of Edinburgh, Edinburgh EH8 9AG, United Kingdom
4. Section of Population Health (A.J.L.), University of Aberdeen, Aberdeen AB24 3EN, United Kingdom
5. Department of Diabetes (B.M.F.), Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, United Kingdom