1. Department of Geriatric Medicine Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fujian Key Laboratory of Geriatrics, Fujian Provincial Center for Geriatrics Fuzhou 350001 China
2. Department of Cardiology Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fujian Provincial Key Laboratory of Cardiovascular Disease Fuzhou Fujian 350001 China