Funding for this research was provided by:
Division of Behavioral and Cognitive Sciences (1651128)
Division of Behavioral and Cognitive Sciences (0956123)
Eunice Kennedy Shriver National Institute of Child Health and Human Development (5R03HD060045-02)
Office of the Vice President for Research Grant and Special Research Grant from the University of Texas at Austin
Eunice Kennedy Shriver National Institute of Child Health and Human Development (4R24HD042849-15)
Article History
Received: 17 May 2017
Accepted: 24 June 2017
First Online: 8 July 2017
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.
: 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.