1. Department of Oncology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
2. Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang Medical University, Henan, China
3. University of South Florida, Tampa, FL, USA
4. Beijing Key Laboratory for Tumor Invasion and Metastasis, Cancer Institute of Capital Medical University, Beijing, China
5. Department of Biochemistry, Molecular Biology Capital Medical University, Beijing, China
6. Department of Neurosurgery, Tiantan Hospital, Capital Medical University, Beijing, China