*Department of Cardiac Surgery, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China; and

†Department of Cardiac Surgery, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital.

Correspondence: Ke Liu, BD, Department of Cardiac Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, No. 32 West Second Section, First Ring Rd, Chengdu, Sichuan 610072, China (e-mail: [email protected]).

The authors report no conflicts of interest.

Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jcvp.org).