AUTHOR=Greenland John R. , Tullius Stefan G. , Schaenman Joanna TITLE=Editorial: Immune Aging: Implications for Transplantation JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.953185 DOI=10.3389/fimmu.2022.953185 ISSN=1664-3224