AUTHOR=Kostkova Patty TITLE=Grand Challenges in Digital Health JOURNAL=Frontiers in Public Health VOLUME=3 YEAR=2015 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2015.00134 DOI=10.3389/fpubh.2015.00134 ISSN=2296-2565