AUTHOR=Wang Xing , Yang Yanyu , Shi Yi , Jia Fei TITLE=Editorial: Smart Hydrogels in Tissue Engineering and Regenerative Medicine JOURNAL=Frontiers in Chemistry VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2020.00245 DOI=10.3389/fchem.2020.00245 ISSN=2296-2646