1. Department of Neurology, the Second People’s Hospital of Qinzhou, Qinzhou, Guangxi Zhuang Autonomous Region, China
2. Department of Neurology, Beihai People’s Hospital, the Ninth Affiliated Hospital of Guangxi Medical University, Beihai, Guangxi Zhuang Autonomous Region, China
3. Department of Neurology, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi Zhuang Autonomous Region, China.