1. The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei, China
2. Department of Neurosurgery, Yichang Central People’s Hospital, Yichang, Hubei, China
3. Department of Pathology, Yichang Central People’s Hospital, Yichang, Hubei, China
4. Department of Neurosurgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei, China