Funding for this research was provided by:
Health Services Research and Development (SHP-08-182, IIR 12-050)
Received: 2 October 2018
Accepted: 28 February 2020
First Online: 13 March 2020
Ethics approval and consent to participate
: This study was approved by the Jesse Brown VA Medical Center Institutional Review Board and Research and Development Committee (#751255).All subjects provided written informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.