Author contributions
YL was the principal investigator, designed the study, performed the statistical evaluations, wrote the first draft, took part in discussions regarding the results, and edited it in all its revisions. CC, LW, ML, YG, and BT participated in designing the study, edited and proofread the paper, and took part in discussions regarding the results. KH participated in designing the study, retrieved the data, assisted in writing the paper, edited and proofread the paper, and took part in discussions regarding the results. All authors contributed to the article and approved the submitted version.