[1] Univ Western Australia, Western Australian Neurosci Res Inst, Ctr Neuromuscular & Neurol Disorders, Nedlands, WA 6009, Australia
[2] Vrije Univ Amsterdam, Med Ctr, Amsterdam, Netherlands
[3] Guiyang Med Coll, Affiliated Hosp, Guiyang, Peoples R China
[4] Sir Charles Gairdner Hosp, Queen Elizabeth II Med Ctr, Dept Neurol, Nedlands, WA 6009, Australia
[5] Murdoch Univ, Inst Immunol & Infect Dis, Murdoch, WA 6150, Australia