1. From the Herz-Zentrum Bad Krozingen, Bad Krozingen, Germany (F.-J.N.); Department of Cardiology, University Hospitals Leuven, Leuven, Belgium (W.D.); Krankenhaus Siegburg GmbH, Herzzentrum, Siegburg, Germany (E.G.); Klinikum Coburg, Coburg, Germany (J.B.); Istituto Clinico Humanitas, Rozzano, Italy (P.P.); Ospedale S. Martino, Genova, Italy (P.R.); St Josef Hospital/Ruhr-Universität Bochum, Bochum, Germany (A.M.); Ospedale Civile Di Mestre, Mestre, Italy (F.D.P.); Klinikum Lüdenscheid,...