AUTHOR=Gramignoli Roberto , Sallustio Fabio , Widera Darius TITLE=Editorial: Repair and regenerative mechanisms by stem/progenitor cells and secretome: The golden twenties of translational medicine JOURNAL=Frontiers in Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2022.901003 DOI=10.3389/fmed.2022.901003 ISSN=2296-858X