1. Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
2. Department of Cardiology, The Second People’s Hospital of Shantou, Shantou, China
3. Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial, Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's, Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
4. Department of Biostatistics, Southern Medical University, Guangzhou, China