AUTHOR=Vrana Nihal Engin , Ghaemmaghami Amir M. , Zorlutuna Pinar TITLE=Editorial: Adverse Reactions to Biomaterials: State of the Art in Biomaterial Risk Assessment, Immunomodulation and in vitro Models for Biomaterial Testing JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2019.00015 DOI=10.3389/fbioe.2019.00015 ISSN=2296-4185