AUTHOR=Pantziarka Pan , André Nicolas TITLE=Editorial: Drug Repurposing JOURNAL=Frontiers in Medicine VOLUME=6 YEAR=2019 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2019.00154 DOI=10.3389/fmed.2019.00154 ISSN=2296-858X