1. St George's Vascular Institute; St George's Healthcare NHS Trust; London UK
2. Department of Endocrinology; University Hospital of Malmö; Malmö Sweden
3. Seattle Epidemiologic Research and Information Centre-Department of Veterans Affairs Puget Sound Health Care System and the University of Washington; Seattle WA USA
4. Department of Vascular Surgery; The University of Adelaide; Adelaide South Australia Australia
5. Michael E. Debakey Department of Surgery; Baylor College of Medicine; Houston USA
6. Department of Vascular Radiology; Amsterdam Medical Centre; Amsterdam The Netherlands
7. Department of Vascular Surgery; Southampton University Hospitals NHS Trust; Hampshire UK
8. Department of Surgery; University of Washington; Seattle WA USA
9. Division of Endocrinology, MUMC+; CARIM Institute; Maastricht The Netherlands