Funding for this research was provided by:
National Center for Injury Prevention and Control (5U01CE002162-02)
Kate B. Reynolds Charitable Trust
North Carolina Department of Health and Human Services
Received: 25 June 2018
Accepted: 28 December 2018
First Online: 21 January 2019
Ethics approval and consent to participate
: Ethics approval was obtained through the Office of Human Reseach Ethics at the University of North Carolina at Chapel Hill (IRB 12–2570, 17–0889).
: Not applicable.
: The authors declare that they have no competing interests.
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