1. From the Departments of Vascular Medicine (H.J.A., M.N.V., J.J.P.K.), Pediatrics (F.A.W.), Cardiology (M.D.T.), and Clinical Epidemiology, Biostatistics, and Bioinformatics (B.A.H.), Academic Medical Centre, Amsterdam, The Netherlands; and the Metabolic and Atherosclerosis Research Centre (E.A.S.), Cincinnati, Ohio.