1. Department of Radiology; Interventional Neuroradiology Service; Beaumont Hospital; Dublin Ireland
2. Faculty of Radiologists; Royal College of Surgeons in Ireland; Dublin Ireland
3. Department of Radiology; Interventional Neuroradiology Service; Austin Hospital; Melbourne VIC Australia
4. Interventional Neuroradiology Unit; Monash Imaging; Monash Health; Melbourne VIC Australia
5. Faculty of Health; School of Medicine; Deakin University; Waurn Ponds VIC Australia
6. Department of Interventional Radiology; Guy's and St Thomas’ NHS Foundation Trust; London UK