AUTHOR=Xu Zhigang , Peng Anthony W. , Xiong Wei TITLE=Editorial: Hair Bundles—Development, Maintenance, and Function JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2021.800410 DOI=10.3389/fcell.2021.800410 ISSN=2296-634X