1. Department of Clinical and Experimental Medicine, University of Surrey, Guildford, UK
2. Vascular Department, Surrey and Sussex Healthcare NHS Trust, East Surrey Hospital, Redhill, UK
3. Department of Angiology, University Hospital Zurich, Switzerland
4. Department of Vascular and Endovascular Surgery, Asklepios Clinic Wandsbek, Asklepios Medical School, Hamburg, Germany
5. Division of Angiology, Medical University Graz, Austria
6. Department of Cardiology I – Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Germany
7. Interventional Radiology, Cleveland Clinic Main Campus, Cleveland, Ohio, USA
8. Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University of Duisburg-Essen, Germany
9. Department of Internal Medicine III, University Hospital Schleswig-Holstein, University of Kiel, Germany