AUTHOR=González-Luis Gema , Ghirardello Stefano , Bas-Suárez Pilar , Cavallaro Giacomo , Mosca Fabio , Clyman Ronald I. , Villamor Eduardo TITLE=Corrigendum: Platelet Counts and Patent Ductus Arteriosus in Preterm Infants: An Updated Systematic Review and Meta-Analysis JOURNAL=Frontiers in Pediatrics VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2021.694606 DOI=10.3389/fped.2021.694606 ISSN=2296-2360