Yiqi Lin1, Fei Yuan2, Sheng Chen3. 1. Department of Neurology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 197 Ruijin Second Road, Huangpu District, Shanghai, 200025, China. 2. Department of Pathology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China. 3. Department of Neurology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 197 Ruijin Second Road, Huangpu District, Shanghai, 200025, China. mztcs@163.com.