1. From Heart Center Leipzig at the University of Leipzig, Departments of Internal Medicine–Cardiology (S.D., A.F., J.P., M.A.-W., P.L., A.J., H.T.) and Cardiac Surgery (S.W.-T.), Leipzig Heart Institute (S.D., A.F., A.J., H.T.), and University Clinic Leipzig (K.L.), Leipzig, University Heart Center Lübeck (S.D., T.G., I.E., G.F., A.J.) and the Center for Clinical Trials (D.O., S.B., K.K.) and the Institute for Medical Biometry and Statistics (F.S., I.R.K., M.V.), University of Lübeck, Lübeck, the German...