1. From the Department of Cardiology, Erasmus Medical Center, Rotterdam, The Netherlands (S.J.B., R.T.v.D., J.W.D., K.M.A., J.D., R.-J.v.G., E.B., I.K.); and Department of Clinical Epidemiology, VieCuri Medical Centre, Venlo, The Netherlands (M.L.G.J.-H.).