Hirsch, Heather M.
Mullins, Samantha H.
Miller, Beverly K.
Aitken, Mary E.
Article History
First Online: 10 April 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board at the University of Arkansas for Medical Sciences and was exempted from written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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