1 Department of Neurosurgery, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China. Electronic address: yzbvans@outlook.com.
2 Department of Neurosurgery, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China. Electronic address: xiongfengzhen1122@163.com.
3 Department of Neurosurgery, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China. Electronic address: wweiqi20@163.com.
4 Department of Neurosurgery, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China. Electronic address: lizefu163@163.com.