1 Institute of Cardiovascular Diseases, China Three Gorges University, Department of Cardiology, Yichang Central People's Hospital, Yichang, Hubei 443003, China; School of Clinical Medicine, Ningxia Medical University, Yinchuan 750004, China.
2 Institute of Cardiovascular Diseases, China Three Gorges University, Department of Cardiology, Yichang Central People's Hospital, Yichang, Hubei 443003, China; School of Clinical Medicine, Ningxia Medical University, Yinchuan 750004, China. Electronic address: [email protected].
3 Institute of Cardiovascular Diseases, China Three Gorges University, Department of Cardiology, Yichang Central People's Hospital, Yichang, Hubei 443003, China.