1 Interventional Neuroradiology Unit, Monash ImagingMonash HealthMelbourne, Victoria, AustraliaFaculty of Medicine, Nursing and Health SciencesMonash UniversityMelbourne, Victoria, Australia.
2 Interventional Neuroradiology Service, Department of RadiologyAustin HospitalMelbourne, Victoria, Australia.
3 School of MedicineFaculty of Health, Deakin UniversityWaurn Ponds, Victoria, Australia.
4 Interventional Neuroradiology Unit, Monash ImagingMonash HealthMelbourne, Victoria, Australia.
5 Faculty of Medicine, Nursing and Health Sciences, Monash UniversityMelbourne, Victoria, Australia.
6 Neuroendovascular ProgramMassachusetts General Hospital, Harvard Medical SchoolBoston, Massachusetts.