1. Department of Vascular Medicine, Cardioangiologic Center Bethanien, 60389 Frankfurt, Germany
2. Department of Angiology, Universitätsklinikum Freiburg Herzzentrum, 79189 Bad Krozingen, Germany
3. Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center Essen, University Hospital Essen, 45147 Essen, Germany
4. Department Vascular Surgery, AZ Sint-Blasius Dendermonde, Kroonveldlaan 50, 9200 Dendermonde, Belgium
5. Department of Cardiology and Angiology, Krankenhaus Buchholz und Winsen gGmbH, 21423 Buchholz, Germany
6. Department of Angiology, SRH Zentralklinikum Suhl GmbH, 98527 Suhl, Germany
7. Department of Diagnostic and Interventional Radiology, RoMed Klinikum Rosenheim, 83022 Rosenheim, Germany
8. College of Health, Wellbeing and Life Sciences, Sheffield Hallam University, Sheffield S1 1WB, UK
9. Vascular Center, Klinikum Hochsauerland, 59821 Arnsberg, Germany