AUTHOR=Qian Kun , Zhang Liang , Li Kezhi , Liu Juan TITLE=Editorial: Machine Learning for Non/Less-Invasive Methods in Health Informatics JOURNAL=Frontiers in Digital Health VOLUME=3 YEAR=2021 URL=https://www.frontiersin.org/journals/digital-health/articles/10.3389/fdgth.2021.763109 DOI=10.3389/fdgth.2021.763109 ISSN=2673-253X