1. Department of General and Vascular Surgery, Central Clinic of Athens, Athens, Greece
2. Department of Vascular Surgery, Rigshospitalet, Copenhagen, Denmark
3. Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
4. Department of Neurology, the Evelyn F. McKnight Brain Institute, Miller School of Medicine, University of Miami, FL, USA
5. Faculty of Health Sciences, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
6. Department of Neurology, University of North Norway, Tromsø, Norway
7. Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, Western University, London, Ontario, Canada