AUTHOR=Oliva Joan , Pacini Simone , Canals Josep M. , Lim Mayasari TITLE=Editorial: Mesenchymal Stromal Cells: Preclinical and Clinical Challenges JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2022.969178 DOI=10.3389/fcell.2022.969178 ISSN=2296-634X