1. Departments of Neurology; John Hunter Hospital; University of Newcastle; Newcastle NSW Australia
2. Department of Neurology; Huashan Hospital; Fudan University; Shanghai China
3. Department of Neurology; Royal Adelaide Hospital; Adelaide NSW Australia
4. Department of Neurology; Gosford Hospital; Gosford NSW Australia
5. Division of Neurology; Department of Medicine; University of Alberta; Edmonton AB Canada
6. Department of Neurology; the Second Affiliated Hospital of Zhejiang University; Hangzhou China
7. Department of Neurology; Baotou Central Hospital; Baotou China
8. Department of Neurology; Sree Chitra Tirunal Institute for Medical Sciences and Technology; Trivandrum India
9. Department of Neurology; The Queen Elizabeth Hospital; Adelaide NSW Australia