1. Department of Neurosurgery Nanfang Hospital Southern Medical University Guangzhou China
2. Department of Neurosurgery First Affiliated Hospital of Gannan Medical University Ganzhou China
3. Department of Oncology Fujian Provincial Cancer Hospital The Affiliated Hospital of Fujian Medical University Fuzhou China
4. Department of Laboratory Medicine The First Affiliated Hospital of Sun Yat‐sen University Guangzhou China
5. Department of Ultrasonography First Affiliated Hospital of Gannan Medical University Ganzhou China
6. Department of Neurosurgery Affiliated Hospital of Youjiang Medical University for Nationalities Baise China