1. From the Medizinische Klinik III, Kardiologie und Kreislauferkrankungen, Eberhard Karls-Universität Tübingen Tübingen, Germany (K.S., R.S., M.F., J.G., F.E., V.P., S.G., A.P., T.S., B.B., H.F.L., M.G.); and Cardiology Clinic, Democritus University of Thrace, Alexandroupolis, Greece (D.S.).