AUTHOR=Skardal Aleksander TITLE=Grand challenges in organoid and organ-on-a-chip technologies JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2024.1366280 DOI=10.3389/fbioe.2024.1366280 ISSN=2296-4185