1. Specialty Registrar and Clinical Research Fellow in the University College London/Interventional Oncology Service, University College London Hospitals NHS Foundation Trust, London NW1 2BU
2. Specialty Registrar in the University College London/ Interventional Oncology Service, University College London Hospitals NHS Foundation Trust, London
3. Specialty Registrar and Academic Clinical Fellow in the University College London/Interventional Oncology Service, University College London Hospitals NHS Foundation Trust, London
4. Clinical Fellow in the University College London/Interventional Oncology Service, University College London Hospitals NHS Foundation Trust, London
5. Consultant Interventional Radiologist in the Department of Radiology, University College London Hospital, and Honorary Clinical Senior Lecturer in the Division of Surgery and Interventional Science, University College London, London