1 Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, 210029, People's Republic of China.
2 Department of Neurosurgery, The Affiliated Hospital of Guizhou Medical University, 28 Guiyi Street Road, Guiyang, Guizhou Province, 550004, People's Republic of China.
3 Department of Emergency, Danyang People's Hospital of Jiangsu Province, 2 Xinmin West Road, Danyang, Jiangsu Province, 212300, People's Republic of China.
4 Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu Province, 210029, People's Republic of China. luxm923@126.com.