1. Department of Vascular Surgery, AKH, University of Vienna, Austria; Department of Clinical Biochemistry, Collegium Medicum, Jagiellonian University, Krakow, Poland
2. Department of Vascular Surgery, AKH, University of Vienna, Austria
3. Department of Cardiothoracic Surgery, AKH, University of Vienna, Austria
4. Division of Cardiology, University of Innsbruck, Austria
5. Division of Cardiology, University of Innsbruck, Austria; Department of Cell Biochemistry, Jagiellonian University, Krakow, Poland