Funding for this research was provided by:
National Institutes of Health (R01HD079484, R01EB014947, R01HD076258, R01HD065762)
National Institute of Child Health and Human Development (R21HD083956)
Article History
First Online: 9 April 2018
Compliance with ethical standards
:
: Authors Banu Ahtam, Naira Link, Erikson Hoff, P. Ellen Grant, and Kiho Im 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 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.