Funding for this research was provided by:
Indiana University (UL1TR002529)
University of California, San Francisco, California Preterm Birth Initiative, funded by Marc and Lynne Benioff.
First Online: 29 November 2018
Compliance with Ethical Standards
: Authors, BTE, SMH, DL, EJ, KJ, SW, NB, and MK, declare that they have no conflict of interest.
: This project was funded, in part, with support from the Indiana Clinical and Translational Sciences Institute and, in part, by Award Number UL1TR002529 from the National Institutes of Health, National Center for Advancing Translational Sciences, Clinical and Translational Sciences Award. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. This research was supported by the University of California, San Francisco, California Preterm Birth Initiative, funded by Marc and Lynne Benioff.
: This study was approved to include human subjects by the Indiana University Institutional Review Board (IRB protocol #1606279321) and the University of California, San Francisco Institutional Review Board (IRB protocol #16-20705).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.
Free to read: This content has been made available to all.