AUTHOR= Frontiers Production Office TITLE=Erratum: Systemic Characterization of Novel Immune Cell Phenotypes in Recurrent Pregnancy Loss JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.722805 DOI=10.3389/fimmu.2021.722805 ISSN=1664-3224