Corrigendum to "Using Google Ads to recruit and retain a cohort considering abortion in the United States" [ Contraception: X (2) (2020) 100017]

Contracept X. 2021 Feb 13:3:100056. doi: 10.1016/j.conx.2021.100056. eCollection 2021.

¹ Advancing New Standards in Reproductive Health, Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Francisco, USA.
² University of California San Francisco School of Medicine, Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Francisco, USA.
³ BUMP Digital Marketing, recruitment.bumpdm.com, Toronto, Canada.
⁴ Department of Maternal and Child Health, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, USA.

Abstract

[This corrects the article DOI: 10.1016/j.conx.2019.100017.].