1. European Vascular Center Aachen-Maastricht, Department of Vascular Surgery, RWTH University Hospital Aachen, Aachen, Germany
2. Department of Vascular Surgery and Institute for Vascular Research, St. Franziskus Hospital Münster, Münster, Germany
3. Department of Vascular Surgery and Research Vascular Centre, Asklepios Clinic Langen, University of Frankfurt, Langen, Germany