Funding for this research was provided by:
VA HSR&D/QUERI (QUE 15-289)
Received: 22 August 2018
Accepted: 23 August 2018
First Online: 3 October 2018
Ethics approval and consent to participate
: This study was approved by the VA Central Institutional Review Board (#17–25). Prior to conducting data collection activities, we will provide study subjects with the elements of informed consent and will obtain their consent to participate per the approved protocol.
: Not applicable.
: The authors declare that they have no competing interests.
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