[1] Monash Univ, Monash Med Sch, Melbourne, Vic, Australia
[2] Austin Hosp, Dept Radiol, Intervent Radiol Serv, Melbourne, Vic, Australia
[3] Austin Hosp, Dept Radiol, Intervent Neuroradiol Serv, Melbourne, Vic, Australia
[4] Deakin Univ, Sch Med, Fac Hlth, Geelong, Vic, Australia
[5] Liverpool Hosp, Sydney, NSW, Australia
[6] Ballarat Hlth Serv, Ballarat Cent, Vic, Australia
[7] Monash Med Ctr, Intervent Neuroradiol Serv, Monash Imaging, Melbourne, Vic, Australia
[8] Royal Coll Surgeons Ireland, Dept Radiol, Dublin, Ireland
[9] Beaumont Hosp, Intervent Radiol Serv, Dept Radiol, Dublin, Ireland
[10] Univ Melbourne, Florey Inst Neurosci & Mental Hlth, Melbourne, Vic, Australia
[11] Northern Hlth, Intervent Radiol Serv, Dept Radiol, Melbourne, Vic, Australia
[12] St Vincents Hosp, St Vincents Private Radiol, Melbourne, Vic, Australia