Funding for this research was provided by:
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Laboratory (W911NF-12-2-0023)
National Science Foundation (NSF-ECCS EAGER Award 1643118)
United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (W911NF-15-1-0562)
Article History
Received: 10 February 2019
Accepted: 22 May 2019
First Online: 18 June 2019
Competing Interests
: The authors declare no competing interests.