[1] Univ Edinburgh, Ctr Cardiovasc Sci, Edinburgh, Scotland
[2] Royal Infirm Edinburgh NHS Trust, Dept Vasc Surg, Edinburgh, Scotland
[3] Ghent Univ Hosp, Dept Thorac & Vasc Surg, Ghent, Belgium
[4] Guys & St Thomas NHS Fdn Trust, London, England
[5] St Franziskus Hosp, Inst Vasc Res, Munster, Germany
[6] Ludwig Maximilians Univ Hosp Munich, Dept Vasc Surg, Munich, Germany
[7] Univ Leicester, Dept Cardiovasc Sci, Leicester, England