1. Insititute of Nervous System Diseases, the Affiliated Hospital of Xuzhou Medical University Xuzhou Medical University Xuzhou China
2. Department of Neurosurgery the Affiliated Hospital of Xuzhou Medical University Xuzhou China
3. Department of Neurosurgery Henan Provincial People's HospitalPeople’s Hospital of Zhengzhou University Zhengzhou China
4. Department of Neurosurgery Kaifeng Central hospital Kaifeng China
5. Blood Diseases InstituteXuzhou Medical University Xuzhou China