1. Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University , Beijing , China
2. Beijing Municipal Key Laboratory of Clinical Epidemiology , Beijing , China
3. Department of Neurology, Lishui Hospital, Zhejiang University School of Medicine , Lishui , China
4. Department of Neurology, Beijing Tiantan Hospital, Capital Medical University , Beijing , China
5. China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University , Beijing , China
6. Department of Cardiology, Lishui Hospital, Zhejiang University School of Medicine , Lishui , China