Contribution to Authorship
HRZ, CZL, SYY, and BYL conceived the study and wrote the protocol. HRZ
performed the literature search and drafted the manuscript. XYL, ZQP,
ZYX, and YHL participated in the data extraction and quality control.
HRZ and SYY performed the statistical analysis. All authors revised the
manuscript and approved the final version. SYY is the guarantor for this
work and accepts full responsibility for the conduct of the study, had
access to the data, and controlled the decision to publish. The
corresponding author (HRZ) attests that all listed authors meet
authorship criteria and that no others meeting the criteria have been
omitted.