AUTHOR=Zhang Tianyi , Cheng Xueqian , Yu Di , Lin Fuyu , Hou Ning , Cheng Xuan , Hao Shanshan , Wei Jingjing , Ma Li , Fu Yanbin , Ma Yonghe , Ren Liming , Han Haitang , Yu Shuyang , Yang Xiao , Zhao Yaofeng TITLE=Corrigendum: Genetic Removal of the CH1 Exon Enables the Production of Heavy Chain-Only IgG in Mice JOURNAL=Frontiers in Immunology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2019.00398 DOI=10.3389/fimmu.2019.00398 ISSN=1664-3224