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Article History

Received: 1 September 2019

Accepted: 8 November 2019

First Online: 16 December 2019

Ethics approval and consent to participate

: The study obtained Institutional Review Board approval before the study was started. The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina (Study Number 17–0979). Written and verbal consent will be obtained from all women interested in joining the study. Women will consent for their children’s participation in the study. Women who are interested in participating will call a toll free number and the project manager or research assistant will explain the risks and benefits and ask for the approximate height and weight of the mother and child. If they appear to meet inclusion criteria study staff will meet the women at the community site and eligibility confirmed. If both the mother and child meet criteria, the mother will be read the consent in Spanish. The risks and benefits of participating will be reviewed. Joining the study is voluntary and they can stop at any time. Refusing to join the study or stopping the study will not affect their care. After all questions are answered the woman will be asked to consent for herself and her child. She will be given a copy of the consent. If she has concerns at any time she will be encouraged to contact the study office. She will be given our toll free number.

: Not applicable.

: The authors declare that they have no competing interests.