1. Department of Neurosurgery Sun Yat‐sen University Cancer Center Guangzhou China
2. State Key Laboratory of Oncology in South China Guangzhou China
3. Collaborative Innovation Center for Cancer Medicine Guangzhou China
4. Neurosurgery and Brain and Nerve Research Laboratory The First Affiliated Hospital of Soochow University Suzhou China
5. Department of Biostatistics University of Arkansas for Medical Sciences Little Rock AR USA
6. Department of Neurological Surgery Brain Tumor Research Laboratory University of California Irvine CA USA