1. Vascular Center Berlin, SGK-Behandlungszentrum, Berlin, Germany
2. Department of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
3. Department of Cardiovascular Surgery, Inselspital, Bern University Hospital, Bern, Switzerland
4. Cardiology Department, Coimbra University Hospital Center-General Hospital and Faculty of Medicine, Coimbra University, Coimbra, Portugal
5. Department for Vascular Surgery, Krankenhaus Barmherzige Brüder, Regensburg, Germany
6. Department of Internal Medicine, Ev. Krankenhaus Königin Elisabeth Herzberge, Berlin, Germany
7. Consultant Medical Writer, Moosburg, Germany
8. Department of Angiology, St. Gertrauden Krankenhaus, Berlin, Germany
9. Clinic for Angiology, University Hospital Zurich, Zurich, Switzerland