Author contributions
The study concept and design were carried out by CSN, LJW, HJ, and HNZ. HJ, YHY, and CYS collected data. WJH, LJW, CHM, and HNZ analyzed and interpreted the data. CSN, WJH, LJW, and CJL drafted the manuscript. CSN, HJ, CHM, CJL, and CCH revised and edited the manuscript. HNZ, CHM, and LJW performed statistical analyses. The study was conducted by HNZ, HJ, and LJW. JWL is the senior author who is responsible for leading the research project, securing funding, and providing overall guidance to the research team.