Author contributions
JJ
RECRUITMENT
XH, HL, JJ, LZ, and HZ were the principal investigators who designed the research and coordinated the study; NX, PQ, YY, and RD led and participated in the site work, including the recruitment, follow-up, and data collection; PW and YX supervised the study; HZ was responsible for laboratory analyses; NX and HZ did the statistical analysis and wrote the manuscript. All authors contributed to the article and approved the submitted version.