Funding for this research was provided by:
National Institutes of Health (CA133085)
U.S. Department of Veterans Affairs (CX001364)
Text and Data Mining valid from 2019-06-22
Received: 28 November 2018
Accepted: 11 June 2019
First Online: 22 June 2019
Ethics approval and consent to participate
: No applicable.
: Not Applicable.
: The authors declare that they have no competing interests.