AUTHOR=Agustí Gemma , Codony Francesc TITLE=Commentary: Reducing Viability Bias in Analysis of Gut Microbiota in Preterm Infants at Risk of NEC and Sepsis JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=8 YEAR=2018 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2018.00212 DOI=10.3389/fcimb.2018.00212 ISSN=2235-2988