1. Department of Cardiology, Shanghai East Hospital, Tongji University, Shanghai, China.
2. Department of Neurosurgery, The General Hospital of Shenyang Military Region, Shenyang, China.
3. Clinical Sciences Division, University of Toronto, Toronto, Canada.
4. Department of Surgery, The Six People's Hospital, Shanghai Jiao Tong University, Shanghai, China.
5. Emergency Center, Shanghai East Hospital, Tongji University, Shanghai, China.