1. From the Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands (P.B., M.v.d.G., M.G.); Division of Imaging Sciences and Biomedical Engineering, King’s College London, London, United Kingdom (R.K., K.R., R.R.); Department of Electrophysiology, University of Dresden–Heart Center, Dresden, Germany (C.P.); and Department of Cardiology, University Hospital Lausanne, Centre hospitalier universitaire vaudois (CHUV), Lausanne, Switzerland (J.S.).