1. Department of Neurosurgery, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China
2. Department of Neurology, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China
3. Department of Operation Anesthesia, University-Town Hospital of Chongqing Medical University, Chongqing, China
4. Department of Infectious, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China