1. Department of Interventional Radiology, Vancouver General Hospital, Vancouver BC, Canada
2. Department of Interventional Radiology, SickKids Hospital, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
3. Department of Radiology, Royal Victoria Hospital, 201 Georgian Dr, Barrie, ON, L4M 6M2, Canada
4. British Columbia Cancer Agency, Vancouver, Canada
5. Department of Radiology, St Anne Hospital, Lucerne, Switzerland
6. Department of Radiology Oncology, Sarah Cannon Research Institute, 3322 West End Building, Nashville, TN 37203, USA
7. Department of Cancer Medicine, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK