*Department of Pharmacy, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; and

†School of Pharmaceutical Sciences, Capital Medical University, Beijing, China.

Correspondence: Yang Lin, PhD, Department of Pharmacy, Beijing Anzhen Hospital, Capital Medical University, Beijing, 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).

M. Zhang and W. Peng conceived and designed the analysis, wrote the paper, and revised the final manuscript. S. Yin and Y. Zhao Y. screened original studies and extracted data from the eligible studies. Y. Lin conceived and designed the study, analyzed the data, and revised the final manuscript.

M. Zhang and W. Peng have contributed equally to this work.