1 Department of Neurosurgery, Changde Hospital, Xiangya School of Medicine, Central South University (The First People's Hospital of Changde City), No.818 Renmin Road, Changde, Hunan Province, 415000, People's Republic of China.
2 Department of Medicine Oncology, Changde Hospital, Xiangya School of Medicine, Central South University (The First People's Hospital of Changde City), Changde, Hunan Province, 415000, People's Republic of China.
3 Department of Neurology, Changde Hospital, Xiangya School of Medicine, Central South University (The First People's Hospital of Changde City), No.818 Renmin Road, Changde, Hunan Province, 415000, People's Republic of China.
4 Department of Neurology, Changde Hospital, Xiangya School of Medicine, Central South University (The First People's Hospital of Changde City), No.818 Renmin Road, Changde, Hunan Province, 415000, People's Republic of China. liangji2018@126.com.