1. Department of Cardiology, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, P.R. China
2. Key Laboratory of Cardiac Injury and Repair of Henan Province, Zhengzhou, China
3. Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, P.R. China
4. Department of Cardiology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003, China