Author contributions
We had full access to all data in the trial and took responsibility for the integrity of the data and the accuracy of the data analysis. M.Y. contributed to the conceptualization and design of the trial. L.N., H.L., M.Z., Z.Z.L., X.C., Z.D.L., C.Z., H.Z., S.Z., Y.F., H.S., J.W. and H.L. were responsible for the collection and assembly of data. J.W. and L.N. completed the statistical analyses. All authors participated in writing the paper and approved the final version of the paper.