1. From the Department of Cardiology, University Hospital, Basel, Switzerland (C.K., R.J., N.G., P.B., A.H., M.P.); Cardiology, Gentofte University Hospital, Copenhagen, Denmark (S.G., J.S.J., K.W.H.); Cardiology, Elisabeth-Krankenhaus, Essen, Germany (C.N.); Cardiology, University Hospital, Innsbruck, Austria (H.A., M.W.); Cardiology, Triemlispital, Zürich, Switzerland (F.E., D.J.K.); Cardiocentro, Lugano, Switzerland (G.P., T.M.); Cardiology, State Hospital, St. Gallen, Switzerland (H.R., D.W.);...