Contribution to authorship
XLL and HQL designed the study and RHX provided important feedback on the proposed study design. XLL and HQL conducted the systematic literature search, data extraction, and quality assessment; XLL conducted the meta-analyses and interpreted the results. XLL drafted the initial manuscript, which was thoroughly reviewed for important intellectual content and revised by LPZ, SWW, and RHX. All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.