1. Department of Vascular Medicine, Surrey and Sussex Healthcare NHS Trust, Redhill RH1 5RH, UK
2. Department of Vascular Surgery, University Hospital Sussex NHS Trust, Brighton BN2 5BE, UK
3. Department of Adult Nursing, School of Health Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
4. Department of Vascular Surgery, Imperial College Healthcare NHS Trust, London SW7 2BX, UK
5. Department of Clinical and Experimental Medicine, School of Biosciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
6. St. George’s Vascular Institute, St. George’s University Hospitals NHS Foundation Trust, London SW17 0QT, UK