Received: 6 July 2017
Revised: 27 November 2017
Accepted: 13 February 2018
First Online: 8 March 2018
Compliance with Ethical Standards
: The final interview script and study protocol were approved by the Institutional Review Board of the VA Pittsburgh Healthcare System. Participants were consented to be audio-recorded prior to the interviews.
: The authors declare that they do not have a conflict of interest.