AUTHOR=Maiers Martin , Mehr Ramit , Raghavan Malini , Kaufman Jim , Louzoun Yoram TITLE=Editorial: HLA and KIR Diversity and Polymorphisms: Emerging Concepts JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.701398 DOI=10.3389/fimmu.2021.701398 ISSN=1664-3224