1. Department of Intensive Care Unit, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang, China
2. Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
3. Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
4. Department of Anesthesiology, Heilongjiang Provincial Hospital, Harbin 150036, Heilongjiang, China