Funding for this research was provided by:
U.S. Department of Veterans Affairs (I01BX001271)
Article History
Received: 29 January 2020
Accepted: 17 July 2020
First Online: 24 July 2020
Compliance with ethical standards
: Animal protocols were approved by the Institutional Animal Care and Use Committees of both Duke University and the Durham VA Medical Center.
: The authors declare that they have no conflicts of interest.