[1] Med Univ, Hosp 2, Dept Psychosomat Med, Dept Neurol, 215 Heping West Rd, Shijiazhuang 050000, Hebei, Peoples R China
[2] Hebei Med Univ, Hosp 2, Dept Radiol, West 215, Heping Rd, Shijiazhuang 050000, Hebei, Peoples R China
[3] Hebei Med Univ, Hosp 2, Dept Neurol, West 215, Heping Rd, Shijiazhuang 050000, Hebei, Peoples R China
[4] Hebei Med Univ, Hosp 1, Dept Neurol, 89 Donggang Rd, Shijiazhuang 050000, Hebei, Peoples R China
[5] Chinese Acad Med Sci, Peking Union Med Coll Hosp, Dept Neurol, Beijing 100730, Peoples R China