AUTHOR=Liu Wanli , Tolar Pavel , Song Wenxia , Kim Tae Jin TITLE=Editorial: BCR Signaling and B Cell Activation JOURNAL=Frontiers in Immunology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2020.00045 DOI=10.3389/fimmu.2020.00045 ISSN=1664-3224