[1] Monash Univ, Dept Neurosci, Melbourne, Vic, Australia
[2] The Alfred, Dept Neurol, Melbourne, Vic, Australia
[3] Sid Watkins Bldg, Dept Neurol, Liverpool, Merseyside, England
[4] Royal Melbourne Hosp, Ctr Neuroimmunol, Melbourne, Vic, Australia
[5] CORe, Dept Med, Parkville, Vic, Australia