1. From the Department of Renal Medicine, Royal Infirmary of Edinburgh (P.J.G., T.E.F., N.D.)
2. University/British Heart Foundation Centre of Research Excellence, Centre of Cardiovascular Science, Queen’s Medical Research Institute, University of Edinburgh (P.J.G., T.E.F., N.D.)
3. Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences (A.F.D.), University of Glasgow, United Kingdom
4. Institute of Cardiovascular and Medical Sciences, BHF Glasgow Cardiovascular Research Centre (R.M.T.), University of Glasgow, United Kingdom
5. Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Katowice, Poland (M.A.)
6. Endocrinology Diabetes and Metabolism Division, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (M.B.)
7. Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic College of Medicine, Rochester, MN (Z.Z.)
8. Division of Nephrology, Department of Medicine, University of Ottawa, Canada (S.H.).