Yaoyao Shen1, Bing Bao2, Zhijuan Cheng3. 1. Department of Neurology, The Affiliated Hospital of Jiujiang University, No.57 Xunyang East Rode, Xunyang District, Jiujiang, 332000, Jiangxi Province, People's Republic of China. 15270881796@163.com. 2. Department of Neurology, The Affiliated Hospital of Jiujiang University, No.57 Xunyang East Rode, Xunyang District, Jiujiang, 332000, Jiangxi Province, People's Republic of China. 3. Department of Neurology, The Second Affiliated Hospital of Nanchang University, No.1 Mingde Rode, Donghu District, Nanchang, 330006, Jiangxi Province, People's Republic of China.