1. Department of Cardiology, Guangdong Medical University, Zhanjiang, Guangdong 524000, China
2. Department of Cardiology, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
3. Department of Network Information, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
4. Department of Cardiology, Kaiping Second People’s Hospital, Jiangmen, Guangdong 529300, China