1. From the Asklepios Clinic St. Georg, Department of Cardiology, Hamburg, Germany (E.B., K.H.K.); Institute of Medicine, University of Bergen, Bergen, Norway (E.G.); Haukeland University Hospital, Bergen, Norway (E.G., D.C., R.S.); Herz-Zentrum Bad Krozingen, Department of Cardiology, Bad Krozingen, Germany (C.G.-B.); Universitätsklinikum Rostock, Department of Cardiology, Rostock, Germany (C.A.N.); Genthofte Hospital, Department of Cardiology, Copenhagen, Denmark (K.W.); Cardiothoracic Centre, Guys...