1. Department of Cardiothoracic Surgery, The Affiliated Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
2. School of Medicine, Ningbo University, Ningbo, Zhejiang, China
3. Department of Cardiology, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang, China
4. Department of Emergency, The Affiliated Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
5. Department of Respiratory, The Affiliated Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China.