Yaoyao Shen1, Hongbing Nie2. 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. 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. Mrniehongbing@163.com.