Department of Cardiovascular surgery;
Xinqiao Hospital;
Third Military Medical University;
Chongqing400037;
China;
Department of Respiratory Diseases;
Xinqiao Hospital;
Third Military Medical University;
Chongqing400037;
China;
Department of Anaesthesiology;
Xinqiao Hospital;
Third Military Medical University;
Chongqing 400037;
China;