1. Department of Vascular Surgery, Central Clinic of Athens, Athens, Greece
2. Stroke Monitoring and Diagnostic Division, AtheroPoint™, Roseville, CA, U.S.A
3. Department of Radiology, Azienda Ospedaliero Universitaria (A.O.U.) di
Cagliari, Cagliari, Italy
4. Department of Clinical Biochemistry and Department of Surgical Biotechnology, Division of
Surgery and Interventional Science, Royal Free Hospital Campus, University College London Medical School, University
College London (UCL), London, WC1E 6BT, UK