Funding for this research was provided by:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD069179)
American Heart Association (17GRNT33350079)
Received: 25 May 2017
Accepted: 7 December 2017
First Online: 19 December 2017
Ethics approval and consent to participate
: The University of Michigan Institutional Review Board approved the study. Mothers provided written informed consent for their own and their children’s participation in the study.
: Consent for publication not applicable.
: The authors declare that they have no competing interests.
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