1. From the Division of Cardiology, Department of Medicine II (P. Haider, J.B.K.-P., J.M., M.R., C.K., W.S.S., C.H., J.W., P. Hohensinner), Medical University of Vienna, Austria
2. Ludwig Boltzmann Institute for Cardiovascular Research, Austria (J.B.K.-P., J.W.)
3. Division of Vascular Surgery and Surgical Research Laboratories, Department of Surgery (C.B., W.E.), Medical University of Vienna, Austria
4. Department of Blood Group Serology and Transfusion Medicine (M.B.F.), Medical University of Vienna, Austria
5. Department of Biomedical Research, Danube University Krems, Austria (M.B.F.)
6. Wilhelminenhospital, 3rd Department of Medicine, Cardiology and Intensive Care Medicine, Vienna, Austria (K.H.)
7. Sigmund Freud University, Medical Faculty, Vienna, Austria (K.H.)
8. Medical University of Vienna, Core Facilities, Austria (J.W.).