Author contributions
RECRUITMENT
A.H., N.T., A.J. and X.L. designed the trial and study protocol. P.P. contributed to the literature searches. X.L. and H.D. verified the data. P.P. and H.D. wrote the first draft manuscript. A.H., N.T., X.L., P.P., H.D. and Z.Y. contributed to the data interpretation and revision of the manuscript. H.D., X.L., N.T. and P.P. contributed to data analysis. X.L. monitored the trial. Q.Y., S.C., B.L., M.H. and X.L. were responsible for the site work including the recruitment, follow-up, and data collection, and X.L. was the site coordinator. All authors have read and approved the article.