Funding for this research was provided by:
Army Research Office (W911NF-16-1-0274)
George Washington University (Cross Disciplinary Research Fund)
Ford Fellowship Foundation (Postdoctoral Research Fellowship)
Received: 17 August 2017
Accepted: 12 April 2018
First Online: 14 June 2018
Ethics approval and consent to participate
: This research was approved by The George Washington University Office of Human Research-International Review Board (#10615).
: All participants gave permission for the publication of their data.
: The authors declare that there have no competing interests.
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