1. Department of Rheumatology, Ningde Municipal Hospital of Ningde Normal University, Fujian 352000, China
2. Department of Cardiology, Fujian Medical University Union Hospital, Fuzhou 350001, China
3. Fujian Heart Medical Center, Fuzhou 350001, China
4. Fujian Institute of Coronary Heart Disease, Fuzhou 350001, China
5. Fujian Institute of Geriatrics, Fuzhou 350001, China