1. Department of Microbiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China.
2. Department of Pathogen Biology, Chengdu Medical College, Chengdu, China.
3. Department of Infectious Disease, Renmin Hospital, Hubei University of Medicine, Shiyan, China.
4. Department of Neurosurgery, The First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou, China.
5. West China Second University Hospital, Sichuan University, Chengdu, China.
6. Department of Neurology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China.