1. Clinic for Thorax-, Vascular and Endovascular Surgery, Pius-Hospital Oldenburg; Carl von Ossietzky Universität; Oldenburg Germany
2. Institute of Laboratory Medicine; Ludwig-Maximilians-University Munich; Munich Germany
3. Department of Cardiology, Klinikum Oldenburg, European Medical School Oldenburg-Groningen; Carl von Ossietzky University; Oldenburg Germany