1. Department of Neurology, Foshan Third People’s Hospital , No. 102 Jinlan South Road , Foshan , Guangdong , China
2. Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University , No. 107 Yanjiang West Road, Guangzhou , Guangdong , China
3. Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-Sen University , Guangzhou , China