AUTHOR CONTRIBUTION
Y-C.Y provided the research ideas, X-C.J, X-Y.J, JL collected nasal tissue and extracted cells, XK, YS, J-J.H and G-H.H participated in selection of clinical patients. D-Q.A and YJ performed the experiments and analyzed the data. D-Q.A and MP drafted the paper. D-Q.A, XX and Y-C.Y reviewed the data and finalized the manuscript. All authors reviewed and approved the final version.