[1] No Gen Hosp, Sheffield Vasc Inst, Sheffield S5 7AU, S Yorkshire, England
[2] Western Univ, Stroke Prevent & Atherosclerosis Res Ctr, Robarts Res Inst, London, ON, Canada
[3] NYU, Langone Med Ctr, Div Vasc Surg, New York, NY USA
[4] Cleveland Clin, Dept Vasc Surg, Cleveland, OH USA
[5] Univ Nicosia, St Georges London, Sch Med, Engomi, Cyprus