Conflict of interest satement
The authors declare that there are no conflicts of interest.
Funding
The authors received no extramural funding for the study.
Authors’ contributions
M.T. conceived and designed the study, collected the clinical data, performed the analysis, and drafted the manuscript. W.Z., X.C., and G.L. contributed to data collection and data curation, and assisted in data analysis and interpretation. K.L.E.H. and A.K.C.L. provided critical revision of the manuscript for important intellectual content. S.J. supervised the project and coordinated the study. All authors reviewed and approved the final version of the manuscript.
Publisher’s note
The Publisher of the Journal remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Edited by Zhang Q, Lei Y, Pan Y