1. Department of Stroke Center, The First Hospital of China Medical University, Heping, Shenyang, Liaoning, China
2. Department of Neurology, The First Hospital of China Medical University, Heping, Shenyang, Liaoning, China
3. Department of Neurosurgery, The First Hospital of China Medical University, Heping, Shenyang, Liaoning, China
4. Department of Neurosurgery, Shengjing Hospital, Shenyang, China medical University, Heping, Shenyang, China
5. The First Clinical College, China Medical University, Shenbei, Shenyang, China