1. Department of Neurosurgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
2. Department of General Medicine, People’s Hospital of Rizhao, Jining Medical University, Rizhao, China
3. Department of Neurosurgery, People’s Hospital of Rizhao, Jining Medical University, Rizhao, China
4. Department of Neurosurgery, Affiliated Hospital of Qingdao University, Qingdao, China