1 Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, People's Republic of China.
2 Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, People's Republic of China. [email protected].