Text and Data Mining valid from 2019-08-14
Received: 3 January 2019
Accepted: 10 July 2019
First Online: 14 August 2019
: The authors declare no competing interests.
: The opinions or assertions contained herein are the private views of the authors and are not to be construed as reflecting the official views of the US Army or the US Department of Defense. Material has been reviewed by the Walter Reed Army Institute of Research. There is no objection to its presentation and/or publication. The investigators have adhered to the policies for protection of human subjects as prescribed in AR 70–25.