1. Department of Vascular and Endovascular Surgery, Manchester Royal Infirmary, Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK
2. Department of Vascular and Endovascular Surgery, Democritus University of Thrace, Alexandroupolis, Greece
3. Department of Visceral, Thoracic and Vascular Surgery, Philipps University Marburg, Marburg, Germany
4. Cardiovascular Medicine Research Group, Research School of Clinical and Laboratory Sciences within the School of Medicine, The University of Manchester, Manchester, UK