1. National Office for Cerebrovascular Diseases (CVD) Prevention and Control in China, Beijing, China
2. Department of Neuroepidemiology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
3. Institute of Neurology, Huashan Hospital, Fudan University, Shanghai, China
4. Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
5. UCL Institute of Neurology, University Department of Clinical and Experimental Epilepsy, London, UK