Funding for this research was provided by:
National Institutes of Health (DP2AI138242, K23AI124464, R21AI124237, HHSN275201300006C, R21AI133331)
National Science Foundation (DGE-1144153)
National Science and Engineering Research Council of Canada (401236174)
Text and Data Mining valid from 2020-02-11
Received: 14 November 2019
Accepted: 20 January 2020
First Online: 11 February 2020
Ethics approval and consent to participate
: The collection of samples was approved by the Institutional Review Boards of the Detroit Medical Center (Detroit, MI, USA), Wayne State University, and the Perinatology Research Branch, an intramural program of the Eunice Kennedy Shriver National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS). All participating women provided written informed consent prior to the collection of samples.
: Not applicable.
: The authors declare that they have no competing interests.