1. From the Medical Clinic IV–Department of Cardiology, Municipal Hospital Karlsruhe, Academic Teaching Hospital of the University of Freiburg, Germany (G.S., T.H., R.W., A.L., C.S.); Medical Clinic III–Department of Cardiology, Vincentius Hospital Karlsruhe, Germany (A.W., J.G., B.-D.G.); Institut für Pharmakologie und präventive Medizin, Mahlow, Germany (P.B.); Clinic for Cardiac Surgery Karlsruhe, Germany (M.H., H.P., H.S.); Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany (L.P.);...