AUTHOR=Hook Magnus , Foster Timothy J. TITLE=Editorial: Cell Surface Proteins of Gram-Positive Pathogenic Bacteria JOURNAL=Frontiers in Microbiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2021.681880 DOI=10.3389/fmicb.2021.681880 ISSN=1664-302X