1. Department of Cardiology; the First Affiliated Hospital of Zhengzhou University; Zhengzhou Henan Province China
2. Department of Orthopedic Surgery; the First Affiliated Hospital; College of Medicine; Zhejiang University; Zhejiang China
3. Department of Infectious Diseases; the First Affiliated Hospital of Zhengzhou University; Zhengzhou Henan Province China
4. Department of Cardiology; Beijing Anzhen Hospital of Capital Medical University; Beijing China
5. Division of Cardiothoracic Surgery; University of North Carolina at Chapel Hill; Chapel Hill NC USA