*Department of Cardiovascular Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China;

†Department of Interal Medicine, Weiting Community Health Center of Suzhou Industrial Park, Suzhou, Jiangsu, China; and

‡Department of Nephrology, Kunshan Third Hospital, Suzhou, China.

Correspondence: Ling Lin, MD, Department of Cardiovascular Medicine, The First Affiliated Hospital of Soochow University, No, 188 Shizi Road, Suzhou 215006, China (e-mail: [email protected]).

The authors declare that they have 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).

The data sets used or analyzed during the current study are available from the corresponding author on reasonable request.

L. Lin, L. Zicheng, and G. Shaohua are first authors.

We declare that all the listed authors have participated actively in the study and all meet the requirements of the authorship. L. Zicheng revised the manuscript, G. Shaohua managed the literature searches and analyses, and L. Lin contributed to the correspondence and manuscript revision.