AUTHOR=Leceta Javier , Del Campo Rosa , Jordan Stefan , Klose Christoph S. N. TITLE=Editorial: Immunoregulation at mucosal surfaces JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.983201 DOI=10.3389/fimmu.2022.983201 ISSN=1664-3224