1. The First Clinical Medical School, Ningxia Medical University, Yinchuan, People’s Republic of China
2. Xuanwu Hospital Capital Medical University, Beijing, People’s Republic of China
3. Department of Neurology, Lanzhou University Second Hospital, Lanzhou, People’s Republic of China
4. Guangzhou Women and Children’s Medical Center, Guangzhou, People’s Republic of China
5. Ningxia Medical University, Yinchuan, People’s Republic of China
6. Neuro-Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
7. West China Hospital of Sichuan University, Chengdu, People’s Republic of China
8. Department of Neurology, Xijing Hospital, The Air Force Medical University, Xi’an, People’s Republic of China
9. Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, People’s Republic of China
10. Neurology Center, General Hospital of Ningxia Medical University, Yinchuan, People’s Republic of China
11. The Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China
12. Meishan People’s Hospital, Meishan, People’s Republic of China
13. Chengdu Seventh People’s Hospital, Chengdu, People’s Republic of China
14. National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
15. Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan, People’s Republic of China
16. Diagnosis and Treatment Engineering Technology Research Center of Nervous System Diseases of Ningxia, Yinchuan, People’s Republic of China
17. Department of Pediatrics, Yibin Hospital, Children's Hospital of Chongqing Medical University, Yibin, People’s Republic of China
18. Baoji Central Hospital, Baoji, People’s Republic of China
19. The First People’s Hospital of Tianshui, Tianshui, People’s Republic of China
20. The First Hospital of Lanzhou University, Lanzhou, People’s Republic of China
21. The Affiliated Hospital of Gansu Medical College, Pingliang, People’s Republic of China
22. Gansu Provincial People’s Hospital, Lanzhou, People’s Republic of China
23. The First People’s Hospital of Longnan, Longnan, People’s Republic of China
24. The 940th Hospital of Joint Logistic Support Force of Chinese People’s Liberation Army, Lanzhou, People’s Republic of China
25. Qingyang People's Hospital, Qingyang, People’s Republic of China
26. The First Affiliated Hospital of Kunming Medical University, Kunming, People’s Republic of China
27. Emergency Center, General Hospital of Ningxia Medical University, Yinchuan, People’s Republic of China
28. Cerebrospinal Fluid Laboratory, General Hospital of Ningxia Medical University, Yinchuan, People’s Republic of China
29. Department of Infectious Diseases, General Hospital of Ningxia Medical University, Yinchuan, People’s Republic of China
30. General Hospital of Ningxia Medical University, Yinchuan, People’s Republic of China
31. State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
32. NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, Chongqing, People’s Republic of China
33. Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, People’s Republic of China