Received: 27 April 2018
Revised: 19 September 2018
Accepted: 3 January 2019
First Online: 16 April 2019
Compliance with Ethical Standards
: The study was conducted at the Corporal Michael J. Crescenz VA Medical Center (CMCVAMC) in Philadelphia, PA, or an associated community-based outpatient clinic (CBOC), and was approved by the CMCVAMC Institutional Review Board.
: The authors declare that they do not have a conflict of interest.
: The views expressed here do not necessarily reflect those of the Department of Veterans Affairs or the United States Government.