1. Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
2. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, United States of America
3. Department of Cardiothoracic Surgery ICU, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
4. Department of Cardiology, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, China