Schmidt, Nicole M.
Krohn, Marvin D.
Osypuk, Theresa L.
Funding for this research was provided by:
National Institute of Child Health and Human Development (R03HD082679)
Article History
Received: 22 December 2017
Accepted: 22 April 2018
First Online: 8 May 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interests.
: All procedures were approved by the Institutional Review Board at the University of Minnesota. 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.
: Original study investigators obtained written informed consent from all families enrolled in the study at baseline.