[1] Univ Hosp Southern Denmark, Kolding Hosp, Dept Vasc Surg, Kolding, Denmark
[2] Univ Southern Denmark, Dept Reg Hlth Res, Kolding, Denmark
[3] Aalborg Univ Hosp, Dept Vasc Surg, Kolding, Denmark
[4] VIVE Danish Ctr Social Sci Res, Kolding, Denmark
[5] Kolding Cty Hosp, Dept Vasc Surg, Sygehusvej 24, DK-6000 Kolding, Denmark