1. Department of Neurology The First Affiliated Hospital of Chengdu Medical College Chengdu China
2. The George Institute for Global Health, Faculty of Medicine University of New South Wales NSW Australia
3. Department of Neurology, Royal Prince Alfred Hospital The University of Sydney NSW Australia
4. The George Institute China at Peking University Health Science Centre Beijing PR China
5. Department of Neurology Akershus University Hospital Lørenskog Norway
6. Department of General Practice, Helsam University of Oslo Oslo Norway
7. International Clinical Research Center Chengdu Medical College Chengdu China
8. Stroke Unit, Department of Neurology Oslo University Hospital Oslo Norway
9. The Norwegian Air Ambulance Foundation Oslo Norway
10. Department of Neurology Affiliated Drum Tower Hospital of Nanjing University Medical School Nanjing China
11. Department of Neurology Sichuan Provincial People's Hospital University of Electronic Science and Technology of China Chengdu China