Funding for this research was provided by:
American Cancer Society (RSG-16-207-01-PCSM)
Text and Data Mining valid from 2019-12-01
Received: 31 July 2019
Accepted: 22 October 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: This study protocol was fully reviewed by the Institutional Review Board of the University of Pennsylvania and the approval was dated 27 February 2018. Trained staff will obtain written consent from every participant.
: Not applicable
: The authors declare that they have no competing interests.