1. Department of Vascular Surgery, “Attikon” University Hospital, Athens, Greece;
2. Department for Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany;
3. Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London, London, UK;
4. Departments of Vascular Surgery, Langone Medical Center, New York University, New York, NY, USA;
5. The Cleveland Clinic, Cleveland, OH, USA;
6. Stroke Prevention & Atherosclerosis Research Centre, Robarts Research Institute, Western University, London, Canada