Media type: E-Article Title: Correction: General Audience Engagement With Antismoking Public Health Messages Across Multiple Social Media Sites: Comparative Analysis Contributor: Reuter, Katja; Wilson, Melissa L; Moran, Meghan; Le, NamQuyen; Angyan, Praveen; Majmundar, Anuja; Kaiser, Elsi M; Unger, Jennifer B imprint: JMIR Publications Inc., 2021 Published in: JMIR Public Health and Surveillance Language: English DOI: 10.2196/28131 ISSN: 2369-2960 Keywords: Public Health, Environmental and Occupational Health ; Health Informatics Origination: Footnote: Description: <jats:p /> Access State: Open Access