AUTHOR=Fraccaro Chiara , Mylotte Darren , Napodano Massimo TITLE=Editorial: Structural Valve Degeneration and Failure in Transcatheter and Surgical Bioprosthesis JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=7 YEAR=2020 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2020.00058 DOI=10.3389/fcvm.2020.00058 ISSN=2297-055X