1. From the Clinics for Electrophysiology (C.S., L.B., T.F., M.E.H., M.M., V.S., P.S.), Thoracic and Cardiovascular Surgery (H.F., A.C.-J., R.S., J.G.), and General and Interventional Cardiology–Angiology (V.R.) and the Center for Interdisciplinary Management of Advanced Heart Failure (H.F., A.C.J., R.S., J.G.), Herz- und Diabeteszentrum Nordrhein-Westfalen, Ruhr-Universität Bochum, Bad Oeynhausen, the Department of Cardiology, Angiology, and Intensive Care Medicine, Charité Campus Mitte, German Heart...