From the Heart Center (W.V., R.D., K.D.S., M.A.B., B.E.C., R.J.B., J.C.v.H., J.J.W., M.M.V., K.T.K., R.J.d.W., J.J.P., J.P.S.H.), Department of Biomedical Engineering and Physics and Radiology and Nuclear Medicine (G.J.S.), Academic Medical Center, University of Amsterdam, the Netherlands. (At 2017-11)