1. Department of Neurology; Union Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
2. School of Public Health; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
3. The Stroke Quality Control Center of Hubei Province; Wuhan Hubei China
4. Key Laboratory of Neurological Disease; Ministry of Education; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China