1. University of Edinburgh; Division of Clinical Neurosciences; Western General Hospital Edinburgh UK EH4 2XU
2. Keele University, Guy Hilton Research Centre; Institute for Science and Technology in Medicine; Thornburrow Drive Hartshill Stoke-on-Trent UK ST4 7QB
3. University of Edinburgh; Usher Institute of Population Health Sciences and Informatics; Teviot Place Edinburgh UK EH8 9AG
4. University "G. D'Annunzio" of Chieti-Pescara; Department of Medical, Oral and Biotechnological Sciences; via dei Vestini 31 Chieti Italy 66013
5. Freeman Hospital; Department of Vascular Surgery; Newcastle upon Tyne Hospitals NHS Foundation Trust High Heaton Newcastle upon Tyne UK NE7 7DN
6. NHS Fife, Queen Margaret Hospital; Dunfermline UK KY12 0SU