AUTHOR=Betts Brian C. , Yu Xue-Zhong TITLE=Editorial: Pathogenesis and Therapy of Graft-versus-Host Disease JOURNAL=Frontiers in Immunology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2019.01797 DOI=10.3389/fimmu.2019.01797 ISSN=1664-3224