1. Department of Cardiovascular Surgery, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong Province, China
2. Department of Cardiothoracic Surgery, Zhangjiajie People’s Hospital, Zhangjiajie, Hunan Province, China
3. Department of Cardiology, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong Province, China
4. Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China