AUTHOR=Graham Dan J. , Hipp J. Aaron TITLE=Emerging Technologies to Promote and Evaluate Physical Activity: Cutting-Edge Research and Future Directions JOURNAL=Frontiers in Public Health VOLUME=2 YEAR=2014 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2014.00066 DOI=10.3389/fpubh.2014.00066 ISSN=2296-2565