1. From Department of Surgical Sciences, Section of Vascular Surgery (K.S., A.W., M.B., K.M.), Department of Medical Sciences, Section of Infectious Diseases (M.F.), Uppsala University, Sweden; and Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden (P.G.).
2. Department of Vascular Surgery, Karolinska Hospital, Stockholm
3. Unit of Vascular Surgery, Department of Hybrid and Interventional Surgery, Sahlgrenska University Hospital, Gothenburg
4. Vascular Centre, Skåne University Hospital, Malmö
5. Department of Cardiothoracic and Vascular Surgery, Faculty of Medicine and Vascular Surgery, Örebro University Hospital, Örebro
6. Department of Surgical and Perioperative Sciences, Surgery, Umeå University Hospital, Umeå
7. Department of Surgery, Central Hospital Karlstad, Karlstad
8. Department of Surgery, Falu Hospital, Falun
9. Department of Surgery, Helsingborg Hospital, Helsingborg
10. Department of Surgery, Jönköping Hospital, Jönköping
11. Department of Surgery, Mälar Hospital, Eskilstuna
12. Department of Surgery, NU-Hospitalgroup, Trollhättan/Uddevalla
13. Department of Surgery, Östersunds Hospital, Östersund
14. Department of Surgery, Gävle Hospital, Gävle
15. Department of Surgery, Sunderby Hospital, Sunderbyn
16. Department of Thoracic and Vascular Surgery, and Department of Medical and Health Sciences, Linköping University, Linköping
17. Department of Vascular Surgery, Västerås Hospital, Västerås
18. Department of Surgery, Hudiksvall Hospital, Hudiksvall
19. Department of Surgery, Borås Hospital, Borås
20. Department of Surgery, Kalmar Hospital, Kalmar
21. Department of Vascular Surgery, Skaraborg Hospital, Skoevde
22. Department of Surgery, Kristianstad Hospital, Kristianstad
23. Department of Surgery, Regional Hospital Sundsvall, Sundsvall