[1] Leicester Royal Infirm, Dept Vasc Surg, Leicester, Leics, England
[2] Univ Strasbourg, Dept Vasc Surg & Renal Transplantat, Strasbourg, France
[3] Univ Utrecht, Univ Med Ctr Utrecht, Dept Vasc Surg, Utrecht, Netherlands
[4] Univ Med Ctr Hamburg Eppendorf, Univ Heart Ctr Hamburg, Dept Vasc Med, Hamburg, Germany
[5] Hosp Univ Getafe, Madrid, Spain
[6] Univ Oxford, Nuffield Dept Surg Sci, Oxford, England
[7] UCL, UCL Med Sch, London, England
[8] Royal Free London NHS Fdn Trust, London, England
[9] Great Ormond St Hosp Sick Children, London, England
[10] Natl & Kapodistrian Univ Athens, Attikon Hosp, Sch Med, Dept Vasc Surg, Athens, Greece
[11] Univ Patras, Patras, Greece
[12] Imperial Coll London, London, England
[13] Univ Padua, Dept Cardiac Thorac & Vasc Sci, Div Vasc & Endovascular Surg, Padua, Italy
[14] Univ Cambridge, Dept Clin Neurosci, Stroke Res Grp, Cambridge, England
[15] Adelaide & Meath Hosp, Vasc Neurol Res Fdn, Dept Neurol & Stroke Serv, Dublin, Ireland
[16] UCL, Inst Neurol, Dept Clin Neurosci, Royal Free Campus, London, England
[17] Trinity Coll Dublin, Sch Med, Acad Unit Neurol, Dublin, Ireland
[18] Karolinska Univ Hosp, Dept Vasc Surg, Stockholm, Sweden
[19] Karolinska Inst, Stockholm, Sweden
[20] Univ Copenhagen, Rigshospitalet, Dept Vasc Surg, Copenhagen, Denmark
[21] Univ Spital Bern, Osped Regionale Lugano, Ctr Vascolare Ticino, Bern, Switzerland
[22] Univ Inst Diagnost, Interventionelle & Padiatr Radiol, Bern, Switzerland
[23] Ghent Univ Hosp, Ghent, Belgium
[24] Univ Liege, Dept Biomed & Preclin Sci, Liege, Belgium
[25] Univ Hosp Strasbourg, Dept Vasc Surg & Kidney Transplantat, Strasbourg, France
[26] Univ Bristol, NIHR Bristol Biomed Res Ctr, Bristol Ctr Surg Res, Bristol, Avon, England
[27] Univ Belgrade, Serbian Clin Ctr, Belgrade Sch Med, Clin Vasc & Endovasc, Beograd, Serbia
[28] Odense Univ Hosp, Cardiovasc Ctr Excellence Southern Denmark CAVAC, Elitary Res Ctr Individualized Med Arterial Dis C, Dept Cardiothorac & Vasc Surg, Odense, Denmark
[29] Hosp Galdakao Usansolo, Dept Angiol & Vasc Surg, Bizkaia, Spain
[30] Univ Perugia, Osped S Maria Misericordia, Vasc Surg Unit, Perugia, Italy
[31] Hosp Galdakao Usansolo, Dept Angiol & Vasc Surg, Bizkaia, Spain
[32] Hosp Vall dHebron Barcelona, VHIR, Vasc & Endovasc Surg & Angiol, Barcelona, Spain
[33] Univ Autonoma Barcelona, Barcelona, Spain
[34] Bedford Hosp NHS Trust, Bedfordshire Milton Keynes Vasc Ctr, Bedford, England
[35] Acad Med Ctr, Dept Radiol, Amsterdam, Netherlands
[36] Univ Oslo, Norwegian Inst, Norwegian Knowledge Ctr Hlth Serv, Oslo, Norway
[37] Univ Oslo, Oslo, Norway
[38] Rutgers New Jersey Med Sch, Newark, NJ USA
[39] Helsinki Univ Hosp, Dept Vasc Surg, Helsinki, Finland
[40] Univ Helsinki, Helsinki, Finland