1. From the Department of Cardiology, VU University Medical Center, Amsterdam, The Netherlands (M.J.B., D.J.v.d.H., P.K., S.A.J.T., N.v.R.); Department of Cardiology, Isala Hartcentrum, Zwolle, The Netherlands (E.K.); Department of Cardiology, St. Antonius Hospital, Nieuwegein, The Netherlands (J.v.d.H.); and Department of Cardiology, Amphia Hospital, Breda, The Netherlands (M.M.).