1. From the Department of Cardiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands (W.J.K., M.M.V., J.B., K.T.K., R.J.P., R.J.d.W., J.J.P., J.G.P.T., J.P.S.H.); and Department of Clinical Epidemiology, Biostatistics and Bio-informatics, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands (A.H.Z.).