[1] Univ Libre Bruxelles, Dept Vasc Dis, Hop Erasme, Brussels, Belgium
[2] Iuliu Hatieganu Univ Med & Pharm, Med Clin 1, Cluj Napoca, Romania
[3] Univ Milan, H Sacco Dept, Interuniv Res Ctr Vasc Dis Biomed & Clin Sci, Milan, Italy
[4] Univ Dundee, Ninewells Hosp & Med Sch, Dept Vasc Med, Dundee, Scotland
[5] Univ Ljubljana, Univ Med Ctr Ljubljana, Dept Vasc Dis, Fac Med, Ljubljana, Slovenia
[6] Univ Clin Brandenburg, Ctr Internal Med Angiol, Theodor Fontane MHB, Brandenburg, Germany
[7] Comenius Univ, Dept Internal Med 1, Bratislava, Slovakia
[8] St James Hosp, Trin Coll Dublin, Dept Vasc Dis, Dublin, Ireland
[9] Univ Athens, Sotira Publ Hosp, Dept Internal Med 3, Vasc Unit, Athens, Greece
[10] Univ Surrey, Dept Clin & Expt Med, Guildford, Surrey, England
[11] Surrey & Sussex Healthcare NHS Trust, Department Vasc Med, Surrey, England
[12] St Imre Univ Teaching Hosp, Dept Angiol, Budapest, Hungary
[13] Maastricht Univ, Dept Internal Med, Sect Vasc Med, Sch Cardiovasc Res,Med Ctr, Maastricht, Netherlands
[14] Univ Lausanne Hosp, Div Angiol, Heart & Vessel Dept, Lausanne, Switzerland
[15] Evangelismos State Gen Hosp, Dept Internal Med & Unit Med Angiol 4, Athens, Greece
[16] Flor Ferenc Teaching Hosp, Dept Internal Med, Vasc Ctr 2, Budapest, Hungary
[17] Hosp Luz Arrabida, Angiol & Vasc Surg, Vila Nova De Gaia, Portugal
[18] CHU Montpellier, Serv Vasc Med, Hop St Eloi, Montpellier, France
[19] Inst Clin & Expt Med, Prague, Czech Republic
[20] Med Univ Vienna, Dept Internal Med 2, Div Angiol, Vienna, Austria
[21] Jan Dlugosz Univ Czestochowa, Fac Hlth Sci, Czestochowa, Poland
[22] Danderyd Hosp, Karolinska Inst, Dept Clin Sci, Stockholm, Sweden
[23] Univ Hosp Liege, Dept Cardiol Angiol, Liege, Belgium
[24] Med Univ Silesia, Dept & Clin Internal Med, Angiol & Phys Med, Katowice, Poland
[25] Univ Basel Hosp, Angiol Clin, Basel, Switzerland
[26] Univ Clin Ctr Serbia, Dept Internal Med & Angiol, Clin Vasc & Endovasc Surg, Belgrade, Serbia
[27] San Giacomo Apostolo Hosp, Angiol Unit, Castelfranco Veneto, Treviso, Italy
[28] Med Univ Vienna, Dept Angiol, Div Internal Med, Vienna, Austria