Author contributions
Y.M., J.C., Y.Z., Q.L., H.Z., and L.Z. contributed to the study concept and design, analysis and interpretation of the data, and drafting of the manuscript. W.F., Y.Y., Y.Z., and Q.Y. were involved in data acquisition. Y.M. and J.C. performed the statistical analysis. H.Z. and L.Z. provided administrative and technical support. All authors read and approved the manuscript.