[1] Royal Prince Alfred Hosp, Dept Neurol, Camperdown, NSW, Australia
[2] Royal Hobart Hosp, Dept Neurol, Hobart, Tas, Australia
[3] Univ Sydney, Sydney Med Sch, Discipline Pathol, Vasc Immunol Unit, Orange, NSW, Australia
[4] Univ Sydney, Brain & Mind Ctr, Orange, NSW, Australia
[5] Cent West Neurol Neurosurg, Orange, NSW, Australia
[6] Orange Hlth Serv, Orange, NSW, Australia
[7] Royal Prince Alfred Hosp, Dept Radiol, Camperdown, NSW, Australia