1. Department of Neurology, the First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
2. Medical College of Guangxi University, Nanning, Guangxi, China
3. School of Computer, Electronics and Information, Guangxi University, Nanning, Guangxi, China
4. Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China