[1] Univ Bern, Inselspital, Dept Clin & Intervent Angiol, Swiss Cardiovasc Ctr, CH-3010 Bern, Switzerland
[2] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Sect Vasc Med, Boston, MA USA
[3] Univ Vienna, Dept Angiol, Vienna Gen Hosp, A-1010 Vienna, Austria
[4] Univ Bern, Inselspital, Dept Cardiovasc Surg, Swiss Cardiovasc Ctr, CH-3010 Bern, Switzerland
[5] Heidelberg Univ, Klinikum Karlsbad Langensteinbach, Dept Internal & Vasc Med, D-6900 Heidelberg, Germany
[6] Univ Hosp Heart Ctr, Dept Clin & Intervent Angiol, Leipzig, Germany
[7] Ghent Univ Hosp, Dept Vasc Surg, B-9000 Ghent, Belgium
[8] Erasmus Univ, Med Ctr, Dept Vasc Surg, Rotterdam, Netherlands