Funding for this research was provided by:
National Institute of Child Health and Human Development (3R01HD076673-04S2)
Text and Data Mining valid from 2018-12-12
First Online: 12 December 2018
Compliance with Ethical Standards
: All authors declare that they have no conflicts of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study.