1. Department of Neurology People's Hospital of Zhengzhou Zhengzhou China
2. Department of Neurology People's Hospital of Henan University of Chinese Medicine Zhengzhou China
3. The Neurology Intensive Care Unit Zhengzhou University First Affiliated Hospital Zhengzhou China
4. The Stroke Center People's Hospital of Puyang Puyang China
5. Department of Image People's Hospital of Zhengzhou Zhengzhou China