Funding for this research was provided by:
Army Research Office (W911NF-12-1-0523)
Multidisciplinary University Research Initiative (W911NF-11-1-0268)
University of Southern California
National Science Foundation (CCF-1551064)
Fermilab, Office of Science (622302)
Article History
Received: 25 August 2015
Accepted: 24 November 2015
First Online: 14 December 2015