1. Department of Neurosurgery, The Third Hospital of Jilin University and China‑Japan Union Hospital, Changchun, Jilin 130033, P.R. China
2. Department of Radiation, The Third Hospital of Jilin University and China‑Japan Union Hospital, Changchun, Jilin 130033, P.R. China
3. Department of Anesthesia, The Third Hospital of Jilin University and China‑Japan Union Hospital, Changchun, Jilin 130033, P.R. China