1. From the University Clinic of Internal Medicine I/Center for Cardiovascular Disease (F.W., S.H., S.S., M.N., S.F., W.V., G.E., J.M.S.), Clinic for Heart Surgery (V.L.), Clinic for Radiology (M.B.), and Institute of Pathology (S.G.), University of Würzburg, Würzburg, Germany.