1. Department of Cardiology; Nanjing First Hospital; Nanjing Medical University; Nanjing China
2. Department of Cardiology; Zhengzhou No. 7 People's Hospital; Zhengzhou China
3. Department of Cardiovascular Science; University of Sheffield; Sheffield UK
4. Thoraxcenter; Erasmus Medical Center; Rotterdam The Netherlands
5. Central Laboratory; Nanjing First Hospital; Nanjing Medical University; Nanjing China