Funding for this research was provided by:
U.S. Department of Defense
Text and Data Mining valid from 2019-11-06
Received: 12 June 2019
Revised: 4 September 2019
Accepted: 12 September 2019
First Online: 6 November 2019
Compliance with ethical standards
: The authors of this article did not perform any studies with animals or human subjects.
: The authors declare that they have no conflicts of interest.