AUTHOR=Seldin M. , Stefanovski D. TITLE=Editorial: Insights in systems endocrinology: 2021 JOURNAL=Frontiers in Endocrinology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2023.1223931 DOI=10.3389/fendo.2023.1223931 ISSN=1664-2392