AUTHOR=Pandiyan Pushpa , Lavelle Ed C. TITLE=Editorial: Immune Cells in the Mucosa JOURNAL=Frontiers in Immunology VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2016.00657 DOI=10.3389/fimmu.2016.00657 ISSN=1664-3224