1. Department of Neurology, Beijing Haidian Hospital, Beijing 100080, China
2. Division of Engineering in Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
3. Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
4. Department of Neurology, Peking University Third Hospital, Beijing 100191, China
5. Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
6. Shanghai Institute of Cardiovascular Disease, Shanghai 200032, China