Funding for this research was provided by:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD075655)
Text and Data Mining valid from 2019-02-26
Received: 20 February 2018
Revised: 5 September 2018
Accepted: 3 October 2018
First Online: 26 February 2019
Compliance with Ethical Standards
: All authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional review boards of The Fenway Institute, Boston, MA, Brown University, Providence, RI, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL and Emory University, and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.