AUTHOR=Heying Ruth , Corno Antonio F. TITLE=Editorial: Insights in pediatric cardiology: 2021 JOURNAL=Frontiers in Pediatrics VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2022.1059894 DOI=10.3389/fped.2022.1059894 ISSN=2296-2360