1. Department of Industrial Engineering, School of Business Administration, Northeastern University, Shenyang, China
2. Clerk, Office, Shenyang Dadong District Industry and Information Bureau, Shenyang, China
3. Department of Neurology, The First Hospital of China Medical University, Shenyang, China
4. Department of Neurology, Xuanwu Hospital, National Center for Neurological Disorders, Capital Medical University, Beijing, China