1. University Hospital Southampton, Southampton, United Kingdom
2. UK National Interventional Radiology Trainee Research (UNITE) Collaborative, London, UK
3. Peninsula Radiology Academy, Plymouth, United Kingdom
4. Department of Diagnostic and Interventional Radiology, Leeds Teaching Hospitals NHS Trust, Leeds, UK
5. University Hospitals Coventry and Warwickshire, Coventry, United Kingdom
6. University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
7. Royal Free Hospital, Royal Free London NHS Trust, London, United Kingdom
8. Freeman Hospital, The Newcastle Upon Tyne Hospitals NHS Foundation, London, United Kingdom