1. Department of Vascular Surgery University Hospital of Wales Heath Park Cardiff UK
2. Institute of Cardiac and Aortic Disorders SRM Institutes for Medical Science (SIMS Hospitals) Chennai India
3. Neurovascular Research Laboratory, Faculty of Life Sciences and Education University of South Wales Pontypridd UK
4. Vascular and Endovascular Surgery, Velindre University NHS Trust Health Education and Improvement Wales (HEIW) Cardiff UK