1. Departments of Neurology, Royal Melbourne HospitalUniversity of Melbourne Melbourne Victoria Australia
2. Department of NeurologyRoyal Adelaide Hospital Adelaide South Australia Australia
3. Melbourne Medical SchoolUniversity of Melbourne Victoria Australia
4. Departments of Neurology, John Hunter HospitalUniversity of Newcastle Newcastle New South Wales Australia
5. Department of Neurology, Huashan HospitalFudan University Shanghai China
6. Department of RadiologyNeuroradiology section, The Ottawa Hospital Ottawa Ontario Canada
7. Department of Neuroscience, Eastern Health. Eastern Health Clinical School, Faculty of Medicine, Nursing and Health SciencesMonash University Melbourne Victoria Australia
8. Department of Neurology, Department of MedicineUniversity of New South Wales Kensington New South Wales Australia