Krishnan Ravindran1, Dylan Kurda2,3, Julian Maingard2,3,4, Kevin Phan5, Hong Kuan Kok4,6, Vincent Thijs7,8, Joshua A Hirsch9, Michael J Lee10,11, Ronil V Chandra12,13, Duncan Mark Brooks2,3,4,8,14, Hamed Asadi2,3,4,8,13,14. 1. Melbourne Medical School, Melbourne, Victoria, Australia. 2. Department of Radiology, Austin Health, Interventional Radiology Service, Heidelberg, Victoria, Australia. 3. Department of Radiology, Interventional Neuroradiology Service, Austin Health, Melbourne, Victoria, Australia. 4. School of Medicine, Deakin University, Geelong, Victoria, Australia. 5. NeuroSpine Surgery Research Group (NSURG), Prince of Wales Private Hospital, Sydney, New South Wales, Australia. 6. Interventional Radiology Service, Northern Hospital, Melbourne, Victoria, Australia. 7. Department of Neurology, Austin Health, Heidelberg, Victoria, Australia. 8. Stroke Division, Florey Institute of Neuroscience and Mental Health-Austin Campus, Heidelberg, Victoria, USA. 9. NeuroEndovascular Program, Massachusetts General Hospital, Boston, Massachusetts, USA. 10. Interventional Radiology Service, Beaumont Hospital, Dublin, Ireland. 11. School of Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland. 12. Interventional Neuroradiology Unit, Monash Imaging, Monash Health, Clayton, Victoria, Australia. 13. Department of Imaging, Monash University, Clayton, Victoria, Australia. 14. Department of Radiology, Interventional Neuroradiology Service, St Vincent's Hospital, Melbourne, Victoria, Australia.