1. Renal Transplant and Vascular Access Surgery, Queen Elizabeth University Hospital, Glasgow, UK
2. School of Cardiovascular and Metabolic Health, University of Glasgow, Glasgow, UK
3. Department of Vascular Surgery, Queen Elizabeth University Hospital, Glasgow, UK
4. Glasgow Clinical Trials Unit, Robertson Centre for Biostatistics, University of Glasgow, Glasgow, UK
5. Department of Renal Medicine, Queen Elizabeth University Hospital, Glasgow, UK