1. From the Department of Epidemiology (M.T.R., F.J.W., E.J.V., F.U.S.M.-R., G.V.R., M.A.I., M.W.V.), Department of Radiology and Nuclear Medicine (M.T.R., F.J.W., E.J.V., G.V.R., M.W.V.), Department of Internal Medicine (F.U.S.M.-R.), and Department of Medical Informatics (G.V.R.), Erasmus MC University Medical Center, Rotterdam, the Netherlands.