1. From the Department of Internal Medicine, Diabetes Center (L.T., M.H.A.M., M.H.H.K., M.M.S., D.H.v.R.)
2. Department of Epidemiology and Biostatistics (J.W.T.)
3. VU University Medical Center, Amsterdam, The Netherlands; Division of Pharmacology and Vascular Medicine, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands (A.H.J.D.)
4. Department of Nephrology and Hypertension, University Medical Center, Utrecht, The Netherlands (J.A.J.).