Funding for this research was provided by:
National Institute of Nursing Research (R01 NR014756)
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R21 HD072588)
Received: 5 December 2018
Accepted: 16 April 2019
First Online: 15 May 2019
Ethics approval and consent to participate
: Data collection procedures were approved by the University of North Carolina at Chapel Hill IRB, and all participants signed an IRB approved consent form before data collections.
: Not Applicable.
: The authors declare that they have no competing interests.
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