1. Department of Cardiology, Shunde hospital, Southern Medical University, Foshan, China
2. Department of Health Check-up Centre, Shunde hospital, Southern Medical University, Foshan, China
3. Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
4. Department of Cardiology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
5. Department of Laboratory Medicine, Shunde hospital, Southern Medical University, Foshan, China
6. Department of Cardiology, Nanfang hospital, Southern Medical University, Foshan, China
7. Department of Cardiology, Shunde hospital, Southern Medical University, Jiazi Road 1, Lunjiao Town, Shunde District, Foshan, Guangdong 523808, China The George Institute for Global Health, NSW 2042 Australia