Belsher, Bradley E.
Evatt, Daniel P.
Liu, Xian
Freed, Michael C.
Engel, Charles C.
Beech, Erin H.
Jaycox, Lisa H.
Article History
Received: 15 September 2017
Revised: 13 February 2018
Accepted: 28 March 2018
First Online: 27 April 2018
Compliance with Ethical Standards
: The study was reviewed and approved by institutional review boards at Walter Reed National Military Medical Center, six participating Army installations, RTI International, RAND Corporation, University of Washington, the Boston VA, and the Human Research Protection Office, US Army Medical Research and Materiel Command. Written informed consent was obtained after full explanation of study procedures.
: The authors declare that they do not have a conflict of interest.