AUTHOR=Ismael Flavia , Zaramella Beatriz , Battagin Tatiane , Bizario João C. S. , Gallego Júlia , Villela Victoria , de Queiroz Lilian Bezerra , Leal Fabio E. , Torales Julio , Ventriglio Antonio , Marziali Megan E. , Gonçalves Priscila D. , Martins Silvia S. , Castaldelli-Maia João M. TITLE=Corrigendum: Substance Use in Mild-COVID-19 Patients: A Retrospective Study JOURNAL=Frontiers in Public Health VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2021.703562 DOI=10.3389/fpubh.2021.703562 ISSN=2296-2565