Text and Data Mining valid from 2018-05-22
Received: 17 January 2018
Accepted: 25 April 2018
First Online: 22 May 2018
: The views, opinions, and/or findings contained in this report are those of the author(s) and should not be construed as an official Department of the Army position, policy, or decision, unless so designated by other official documentation. In the conduct of research involving human subjects, the investigator(s) adhered to the policies regarding the protection of human subjects as prescribed by Department of Defense Instruction 3216.02 (Protection of Human Subjects and Adherence to Ethical Standards in DoD-Supported Research) dated 8 November 2011.
: Approval for this investigation was provided by the Human Subjects Protection Office of the US Army Research Institute of Environmental Medicine after reviewing the research protocol. This was a secondary analysis of data for which written consent was obtained from participants.
: The authors declare that they have no competing interests.
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