Affiliation: | 1. Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Anzhen Hospital, Capital Medical University, Beijing, People's Republic of China;2. Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China;3. Department of Cardiology, Chinese PLA General Hospital, Beijing, People's Republic of China;4. Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, People's Republic of China |