This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticle by 1,*, 1, 1, 2, 2, 1 and 2 1 Department of Vascular and Endovascular Surgery, Faculty of Medicine, University Hospital Cologne, University of Cologne, 50937 Cologne, Germany 2 Department of Cardiothoracic Surgery, Heart Centre, Faculty of Medicine, University Hospital Cologne, University of Cologne, 50937 Cologne, Germany * Author to whom correspondence should be addressed. J. Clin.
