1. Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, PR China
2. Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha 410011, Hunan, PR China
3. Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province, Changsha 410011, Hunan, PR China
4. Cardiovascular Disease Research Center of Hunan Province, Changsha 410011, Hunan, PR China
5. Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, PR China
6. Department of Geriatric Cardiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, Henan, PR China
7. Department of Emergency Medicine, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, PR China
8. Emergency Medicine and Difficult Disease Institute, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, PR China