[Tang, Xiao-Qing; Kang, Xuan] Univ South China, Affiliated Hosp 1, Inst Neurol, 69 Chuanshan Rd, Hengyang 421001, Hunan, Peoples R China.
[Xiao, Fan; Tang, Xiao-Qing; Kang, Xuan; Tang, Yi-Yun] Univ South China, Hengyang Med Coll, Inst Neurosci, Hengyang 421001, Hunan, Peoples R China.
[Li, Cheng] Univ South China, Dept Emergency, Affiliated Nanhua Hosp, Hengyang 421001, Hunan, Peoples R China.
[Zhan, Ke-Bin; Li, Cheng; Xie, Yan; He, Ling-Li] Univ South China, Affiliated Hosp 2, Dept Neurol, 35 Jiefang Rd, Hengyang 421001, Hunan, Peoples R China.
[Li, Xiang] Univ South China, Affiliated Hosp 1, Dept Anesthesiol, Hengyang 421001, Hunan, Peoples R China.