Received: 17 July 2017
Accepted: 23 January 2018
First Online: 8 February 2018
Ethics approval and consent to participate
: Ethics approval was granted for the chart review by the Institutional Review Board at the MVMC (#4552-A).
: Not applicable.
: The authors declare that they have no competing interests. The views expressed in this article are those of the authors and do not necessarily represent the views of the Department of Veterans Affairs. The authors report no conflicts of interest regarding this study.