1. Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Peking University Ninth School of Clinical Medicine, Capital Medical University School of Oncology, Beijing, China
2. Department of Neurosurgery, Qiqihaer The 1st Hospital, Qiqihaer, China
3. Department of Oncology, Beijing Shijitan Hospital, Capital Medical University, Peking University Ninth School of Clinical Medicine, Capital Medical University School of Oncology, Beijing, China