1. Department of Neurology, First Affiliated Hospital of Zhengzhou University Zhengzhou University Zhengzhou China
2. Henan Key Laboratory of Cerebrovascular Diseases First Affiliated Hospital of Zhengzhou University, Zhengzhou University Zhengzhou China
3. Institute of Neuroscience Zhengzhou University Zhengzhou China
4. Academy of Medical Sciences of Zhengzhou University Zhengzhou China