1. Department of Neurology, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing 100049, P.R. China
2. Department of Neurosurgery, Dongying District People's Hospital of Dongying City, Dongying, Shandong 257000, P.R. China
3. Department of Traditional Chinese Medicine, Dongying District People's Hospital of Dongying City, Dongying, Shandong 257000, P.R. China
4. Department of Neurology, Dongying District People's Hospital of Dongying City, Dongying, Shandong 257000, P.R. China