Ziyu Wang1, Yongquan Wu2, Junmeng Zhang3. 1. Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, China. 2. Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, 100029, China. wuyongquan67@163.com. 3. Department of Cardiology, Heart Center, the First Hospital of Tsinghua University, No. 6 Jiuxianqiao 1st Street, Chaoyang District, Beijing, 100016, China. drjmzh@Outlook.com.