1. Department of Neurology and Stroke Center, The First Hospital of China Medical University, Shenyang, PR China;
2. Department of Geriatrics, The First Hospital of China Medical University, Shenyang, PR China;
3. Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University, Shenyang, PR China;
4. Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang, PR China