Funding for this research was provided by:
U.S. Army Medical Research and Development Command
Text and Data Mining valid from 2020-01-09
Received: 9 October 2019
Accepted: 3 January 2020
First Online: 9 January 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board at the US Army Research Institute of Environmental Medicine (USARIEM, Natick, MA) and participants provided written informed consent prior to any participation in the study. The research was performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.