1. Freeman Hospital; Department of Vascular Surgery; Newcastle upon Tyne Hospitals NHS Foundation Trust High Heaton Newcastle upon Tyne UK NE7 7DN
2. Keele University, Guy Hilton Research Centre; Institute for Science and Technology in Medicine; Thornburrow Drive Hartshill Stoke-on-Trent UK ST4 7QB
3. Freeman Hospital; Northern Vascular Centre; Newcastle upon Tyne UK NE7 7DN
4. Freeman Hospital; Newcastle upon Tyne UK