Funding for this research was provided by:
National Cancer Institute (Add here)
Received: 26 October 2017
Accepted: 24 September 2018
First Online: 4 October 2018
Ethics approval and consent to participate
: The Virginia Tech Institutional Review Board (FWA00000572) approved this study. Written informed consent was provided by participants. IRB number for protocol is 12–090.
: Not applicable, individual level data are not reported.
: The authors declare that they have no competing interests.
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