1. Department of Anesthesiology, The Third Affiliated Hospital of Anhui Medical University (The First People's Hospital of Hefei) , Hefei 230061 , China
2. Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University , Hefei 230022 , China
3. Department of Biophysics and Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China , Hefei 230036 , China
4. Stroke Center and Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China , Hefei 230036 , China