1. Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
2. Office of director, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, Hubei, China
3. Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
4. Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
5. Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China