AUTHOR=Zhao Chen , He Hua , Ma Huilin TITLE=Editorial: Virtual patients and digital twins in the systems analysis of drug discovery and development JOURNAL=Frontiers in Systems Biology VOLUME=3 YEAR=2023 URL=https://www.frontiersin.org/journals/systems-biology/articles/10.3389/fsysb.2023.1293076 DOI=10.3389/fsysb.2023.1293076 ISSN=2674-0702