Article History
Received: 15 August 2018
Accepted: 12 September 2018
First Online: 10 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The view(s) expressed herein are those of the authors and do not reflect the official policy or position of Brooke Army Medical Center, the U.S. Army Medical Department, the U.S. Army Office of the Surgeon General, the Department of the Air Force, the Department of the Army or the Department of Defense or the U.S. Government.