1. Medical School; The University of Edinburgh; Edinburgh UK
2. The George Institute for Global Health, Faculty of Medicine, UNSW; Sydney Australia
3. The George Institute for Global Health; Beijing China
4. Department of Neurology; Shanghai East Hospital, School of Medicine, Tongji University; Shanghai China
5. Edinburgh Clinical Trials Unit, Usher Institute; The University of Edinburgh; Edinburgh UK
6. Department of Neurology; Akershus University Hospital; Lørenskog Norway
7. The George Institute for Global Health, Faculty of Medicine; University of New South Wales; Sydney Australia
8. The George Institute China at Peking University Health Science Center; Beijing China
9. Medical School, Faculty of Health and Medical Sciences; The University of Western Australia; Perth Australia
10. Perron Institute for Neurological and Translational Science; Perth Australia
11. Centre for Clinical Brain Sciences; The University of Edinburgh; Edinburgh UK