[1] Univ New S Wales, St Vincents Clin Sch, Sydney, NSW, Australia
[2] St Vincents Hosp, Dept Neurol, Sydney, NSW 2010, Australia
[3] St Vincents Hosp, HIV Dept, Sydney, NSW 2010, Australia
[4] St Vincents Hosp, Ctr Applied Med Res, Sydney, NSW 2010, Australia
[5] Queen Elizabeth Hosp, Dept Internal Med, Neurol team, Hong Kong, Hong Kong, Peoples R China
[6] St Vincents Hosp, Dept Neurol, Darlinghurst, NSW 2010, Australia