1. Hull York Medical School University of York York UK
2. Vascular & Endovascular Surgery, Velindre University NHS Trust Health Education & Improvement Wales Cardiff Wales UK
3. Barts and The London School of Medicine and Dentistry Queen Mary University of London London UK
4. Neurovascular Research Laboratory, Faculty of Life Sciences and Education University of South Wales Pontypridd UK
5. Department of Cardiology University Hospital of Wales Heath Park Cardiff Wales UK
6. Cardiology and Aortic Centre Royal Brompton and Harefield Hospital NHS Foundation Trust London UK
7. Michael E. DeBakey Department of Surgery, Baylor College of Medicine Division of Cardiothoracic Surgery Houston Texas USA
8. Department of Cardiovascular Surgery Texas Heart Institute Houston Texas USA
9. CHI St Luke's‐Baylor St. Luke's Medical Center Houston Texas USA
10. Department of Vascular Surgery University Hospital of Wales Heath Park Cardiff Wales UK