1. Aberdeen Cardiovascular and Diabetes Centre, University of Aberdeen, UK (C.S., H.A., T.A., J.S., A.M., A.R., A.Y.-F., R.Y., C.D., P.B., H.M.W., D.K.D.).
2. BHF Centre for Cardiovascular Sciences, University of Edinburgh, UK (N.S., D.E.N., S.S.).
3. West of Scotland Regional Heart & Lung Centre, Glasgow, UK (K.O.).
4. Biomathematics & Statistics Scotland, Aberdeen, UK (G.H.).
5. University of Tubingen, Germany (A.H.).