1. From the Department of Internal Medicine I (Cardiology, Angiology, Pneumology), Friedrich-Schiller University, Erlanger Allee, Jena, Germany (A.L., C.J., H.R.F., M.F.); Department of Cardiology, Academic Medical Center-University of Amsterdam, Amsterdam, The Netherlands (A.E.E., J.P.S.H.); Department of Cardiology, Ernst-Moritz-Arndt University, Greifswald, Germany (K.E.); Division of Cardiology, Luzerner Kantonsspital, Luzern, Switzerland (P.E.); Swiss Cardiovascular Center, Bern, Switzerland (S.C....