1. Department of Cardiology, Zhujiang Hospital of Southern Medical University, and Guangdong Provincial Center of Biomedical Engineering for Cardiovascular Diseases, Guangzhou, 510280, P. R. China
2. Cardiovascular Department of The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, P. R. China
3. Affiliated Dongguan Hospital, Southern Medical University (Dongguan People's Hospital), 523059, P. R. China