1. Department of Cardiology, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510080, PR China
2. NHC Key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou 510080, PR China
3. Department of Cardiology, Guizhou Provincial People’s Hospital, Guiyang 550001, PR China
4. Department of Anesthesiology, Southern Medical University Nanfang Hospital, Guangzhou 510515, PR China
5. Department of Cardiology, Hainan General Hospital, Haikou 570311, PR China