AUTHOR=Castagnola Valentina , Castagnola Elisa , Bergaud Christian , Ricci Davide TITLE=Editorial: Short-Term Versus Long-Term Challenges in Functional Biomaterials Interfacing Living Systems: Two Sides of the Coin JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2021.723451 DOI=10.3389/fbioe.2021.723451 ISSN=2296-4185