[Liu, Chun-yun; Guo, Shang-de; Yu, Jie-zhong; Li, Yan-hua; Zhang, Hui; Feng, Ling; Ma, Cun-gen] Shanxi Datong Univ, Sch Med, Dept Neurol, Inst Brain Sci, Datong, Peoples R China; [Wang, Qing; Chai, Zhi; Feng, Qian-jin] Shanxi Univ Tradit Chinese Med, Collaborat Innovat Ctr 2011, Dept Encephalopathy, Taiyuan, Peoples R China; [Wang, Qing; Chai, Zhi; Feng, Qian-jin] Shanxi Univ Tradit Chinese Med, Natl Major Clin Dept, Minist Hlth, Taiyuan, Peoples R China; [Huang, Jian-jun] First Hosp, Dept Neurosurg, Datong Coalmine Grp, Datong, Peoples R China; [Xiao, Bao-guo] Fudan Univ, Inst Neurol, Huashan Hosp, Inst Brain Sci, Shanghai 200433, Peoples R China; [Xiao, Bao-guo] Fudan Univ, State Key Lab Med Neurobiol, Shanghai 200433, Peoples R China