1. Department of Operating Room, Lishui Hospital of Zhejiang University, Lishui Municipal Central Hospital, Lishui, Zhejiang Province, P.R. China
2. Department of Cardiothoracic Surgery, Lishui Hospital of Zhejiang University, Lishui Municipal Central Hospital, Lishui, Zhejiang Province, P.R. China
3. Department of Pathology, Lishui Hospital of Zhejiang University, Lishui Municipal Central Hospital, Lishui, Zhejiang Province, P.R. China