AUTHOR=Drury Robert L. , Porges Stephen , Thayer Julian , Ginsberg J. P. TITLE=Editorial: Heart Rate Variability, Health and Well-Being: A Systems Perspective JOURNAL=Frontiers in Public Health VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2019.00323 DOI=10.3389/fpubh.2019.00323 ISSN=2296-2565