J Zhejiang Univ Sci B. 2022 Jun 15;23(6):528. doi: 10.1631/jzus.B17r0516.
The authors have retracted this article (Xiao et al., 2018). After publication, they became aware that a number of studies included in the meta-analysis did not meet the eligibility criteria and that errors were made in classification and statistical analysis. The conclusions presented are therefore unreliable. All authors agree with this retraction.