[1] Cent South Univ, Xiangya Hosp, Dept Neurol, Changsha, Peoples R China
[2] Changde First Peoples Hosp, Dept Neurol, Changde, Peoples R China
[3] Hunan Univ Chinese Med, Hosp 1, Acupuncture & Tuina Rehabil Dept, Changsha, Peoples R China
[4] South China Univ, Hosp Changsha City 1, Med Ctr Neurol, Changsha, Peoples R China
[5] Cent South Univ, Xiangya Hosp 2, Changsha, Peoples R China
[6] Cent South Univ, Xiangya Hosp, Dept Neurol, 87 Xiangya Rd, Changsha 410008, Peoples R China