AUTHOR= Frontiers Editorial Office TITLE=Retraction: Smartphone interventions effect in pediatric subjects on the day of surgery: a meta-analysis JOURNAL=Frontiers in Surgery VOLUME=10 YEAR=2023 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2023.1220321 DOI=10.3389/fsurg.2023.1220321 ISSN=2296-875X