AUTHOR=Akondi Rawlings N. , Trexler Ryan V. , Pfiffner Susan M. , Mouser Paula J. , Sharma Shikha TITLE=Corrigendum: Modified Lipid Extraction Methods for Deep Subsurface Shale JOURNAL=Frontiers in Microbiology VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2017.02141 DOI=10.3389/fmicb.2017.02141 ISSN=1664-302X