Funding for this research was provided by:
U.S. Department of Veterans Affairs (1I01BX002634)
U.S. Department of Health & Human Services | NIH | National Cancer Institute (CA139158)
Article History
Received: 11 August 2018
Revised: 27 December 2018
Accepted: 21 January 2019
First Online: 18 February 2019
Conflict of interest
: The authors declare that they have no conflict of interest.