Funding for this research was provided by:
U.S. Department of Veterans Affairs (IIR 13-063)
Durham VA Health Care System (CIN 13-410)
Received: 24 January 2018
Accepted: 18 July 2018
First Online: 30 July 2018
Ethics approval and consent to participate
: This work was reviewed and approved by the Internal Review Board of the Durham Veterans Affairs Health Care System.
: Not applicable.
: The authors have no disclosures to report. With the exception of Drs. Everett and Morgan, all authors are employees of the Department of Veterans Affairs (VA). No VA author received compensation for preparation of this manuscript apart from his or her employment. Dr. Everett is a paid methodologic consultant on the research grant, and Dr. Morgan is supported through an interagency personnel agreement between the Durham Veterans Affairs Health Care System and Duke University.
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