Contribution to Authorship
XJJ had full access to all the data in the study and take responsibility
for the integrity of the data and the accuracy of the data analysis. XXZ
and YYH contributed to the work equally. XXZ, YYH, FJS and HL made
substantial contributions to study concept and design. FJS, HL, GH, YW,
ZSZ, JL and XYL were responsible for the acquisition, analysis, or
interpretation of data, XXZ, XYL and XJJ were responsible for
statistical analysis. XXZ, YYH and XJJ were in charge of the manuscript
draft, XJJ made substantial revisions to the manuscript.