Authors' Contributions
X.C. designed and conducted the study. X.C. and Y.O. collected data. Y.O., X.C., C.W., F.M., Y.X., and G.Y. performed the literature search and generated the figures and tables. J.L. revised the manuscript. X.C., Y.O., and J.L. contribute equally to this article. R.L. and H.X. are cocorresponding authors. All authors reviewed the manuscript and approved the submitted version.