1. Faculty of Health Sciences; Oslo and Akershus University College of Applied Sciences; Oslo Norway
2. Faculty of Medicine; University of Oslo; Oslo Norway
3. Oslo University Hospital Aker; Oslo Norway
4. Section of Vascular Investigations, Oslo Vascular Centre; Oslo University Hospital Aker; Oslo Norway
5. Oslo Vascular Centre; Oslo University Hospital Aker; Oslo Norway
6. Department of Radiology and Nuclear Medicine; Oslo University Hospital; Oslo Norway