1. Neuro‐Intensive Care Unit Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
2. China National Clinical Research Center for Neurological Diseases Beijing China
3. Center of Stroke Beijing Institute for Brain Disorders Beijing China
4. Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
5. Department of Medicine & Therapeutics Prince of Wales Hospital Chinese University of Hong Kong Shatin Hong Kong SAR China
6. OSF Saint Francis Medical Center Illinois Neurological Institute Peoria IL USA