[1] Med Univ Innsbruck, Dept Vasc Surg, Innsbruck, Austria
[2] Univ Med Ctr Eppendorf, Univ Heart & Vasc Ctr, Dept Vasc Med, Hamburg, Germany
[3] Univ Cologne, Univ Hosp Cologne, Fac Med, Dept Vasc & Endovasc Surg, Cologne, Germany
[4] Med Univ Innsbruck, Dept Cardiac Surg, Innsbruck, Austria
[5] McGovern Med Sch UTHealth Houston, Dept Cardiothorac & Vasc Surg, McGovern Med Sch, Houston, TX USA
[6] Med Univ Innsbruck, Dept Vasc Surg, Anischstr 35, A-6020 Innsbruck, Austria