1. Department of Cardiology, Tianjin Medical University General Hospital, Tianjin 300052, China
2. Department of Neurology, Tianjin Medical University General Hospital, Tianjin 300052, China
3. Department of Epidemiology, Tianjin Neurological Institute & Tianjin Medical University General Hospital, Tianjin 300052, China
4. Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin 300052, China
5. Central of Clinical Epidemiology, Tianjin Medical University General Hospital, Tianjin 300052, China