AUTHOR=Xin Haichang TITLE=Editorial: Health Disparities—An Important Public Health Policy Concern JOURNAL=Frontiers in Public Health VOLUME=5 YEAR=2017 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2017.00099 DOI=10.3389/fpubh.2017.00099 ISSN=2296-2565