[1] Cent Manchester Univ Hosp NHS Fdn Trust, Dept Vasc & Endovasc Surg, Manchester Royal Infirm, Manchester, Lancs, England
[2] Democritus Univ Thrace, Dept Vasc & Endovasc Surg, Alexandroupolis, Greece
[3] Univ Manchester, Sch Med, Res Sch Clin & Lab Sci, Cardiovasc Med Res Grp, Manchester, Lancs, England