AUTHOR=Lanas Angel , GarcĂ­a-Rayado Guillermo TITLE=Editorial: Insights in gastroenterology: 2021 JOURNAL=Frontiers in Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2022.1008157 DOI=10.3389/fmed.2022.1008157 ISSN=2296-858X