1. Department of Thoracic Surgery, Southwest Hospital, Army Medical University, Chongqing 400038, P.R. China
2. The Central Laboratory, Shenzhen Second People's Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, Guangdong 518035, P.R. China
3. Department of Cardiology, Southwest Hospital, Army Medical University, Chongqing 400038, P.R. China