[1] Erasmus MC, Dept Dermatol, Rotterdam, Netherlands
[2] Univ Patras, Dept Vasc Surg, Patras, Greece
[3] Cork Univ Hosp, Dept Vasc Surg, Cork, Ireland
[4] Natl Univ Ireland Galway, Galway, Ireland
[5] Univ Copenhagen, Gentofte Hosp, Dept Vasc Surg, Copenhagen, Denmark
[6] Univ Copenhagen, Rigshosp, Copenhagen, Denmark
[7] Guys & St Thomas Hosp, London, England
[8] Kings Coll London, London, England
[9] Orebro Univ, Sch Med Sci, Dept Cardiovasc & Thorac Surg, Karlskoga Vein Ctr, Orebro, Sweden
[10] Univ Thessaly, Sch Hlth Sci, Fac Med, Dept Vasc Surg,Univ Hosp Larissa, Larisa, Greece
[11] Cambridge Univ Hosp, Cambridge, England
[12] Imperial Coll London, London, England
[13] Clin Friedrichshafen, Dept Diagnost & Intervent Radiol, Friedrichshafen, Germany
[14] St Joseph Hosp Grp, Dept Vasc Med, Paris, France
[15] St Martin Private Hosp, Caen, France
[16] Ludwik Rydygier Coll Med, Dept Vasc Surg & Angiol, Bydgoszcz, Poland
[17] Nicolaus Copernicus Univ, Torun, Poland
[18] Ctr Phlebol & Aesthet Med, Surg & Gynecol Ctr, Gorzow Wielkopolski, Poland
[19] London North West Univ Healthcare NHS Trust, London, England
[20] Maria Domenica Barbantini Clin, Angiol Dept, Lucca, Italy
[21] Martha Maria Hosp, Dept Vasc & Endovasc Surg, Nurnberg, Germany
[22] Univ Hosp, Dept Vasc & Endovasc Surg, Regensburg, Germany
[23] Erasmus MC, Dept Vasc Surg, Rotterdam, Netherlands
[24] Freeman Rd Hosp, Newcastle Upon Tyne, Tyne & Wear, England
[25] Newcastle Univ, Newcastle Upon Tyne, Tyne & Wear, England
[26] Univ Liege, Dept Biomed & Preclin Sci, Liege, Belgium
[27] Univ NOVA Lisboa, Ctr Hosp Unversitario Lisboa Ctr, Hosp Santa Marta, Lisbon, Portugal
[28] Univ NOVA Lisboa, NOVA Med Sch, Lisbon, Portugal
[29] Univ Strasbourg, Dept Vasc Surg & Kidney Transplantat, Strasbourg, France
[30] Univ Paris Saclay, CHU Ambroise Pare, Assistance Publ Hop Paris AP HP, Dept Vasc Surg, Boulogne, France
[31] Univ Paris Saclay, Univ Versailles St Quentin, Boulogne, France
[32] Univ Med Ctr Utrecht, Dept Vasc Surg, Utrecht, Netherlands
[33] Lund Univ, Skane Univ Hosp, Vasc Ctr, Malmo, Sweden
[34] Lund Univ, Clin Sci Malmo, Malmo, Sweden
[35] Univ Bristol, Bristol, Avon, England
[36] Univ Belgrade, Med Fac, Serbian Clin Ctr, Clin Vasc & Endovasc Surg, Belgrade, Serbia
[37] Odense Univ Hosp, Dept Cardiothorac & Vasc Surg, Odense, Denmark
[38] Univ Milan, Dept Clin & Community Sci, Fdn IRCCS Ca Granda Osped Maggiore Policlin Milan, Milan, Italy
[39] Helsinki Univ Hosp, Helsinki, Finland
[40] Univ Helsinki, Helsinki, Finland
[41] North Bristol NHS Trust, Bristol, Avon, England
[42] Ghent Univ Hosp, Ghent, Belgium
[43] Uppsala Univ, Dept Surg Sci, Uppsala, Sweden
[44] Umea Univ, Dept Surg & Perioperat Sci, Umea, Sweden
[45] Univ Tartu, Inst Clin Med, Dept Surg, Tartu, Estonia
[46] SUNY Stony Brook, Med Ctr, Stony Brook, NY 11794 USA
[47] Jobst Vasc Inst Promed, Toledo, OH USA
[48] Univ Michigan, Toledo, OH USA
[49] Univ Porto, Fac Med, Porto, Portugal
[50] Worcestershire Acute Hosp NHS Trust, Worcestershire Royal Hosp, Worcester, England