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Authors
Grettenberger, Ian M.
Tooker, John F.
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Funding
Funding for this research was provided by:
Pennsylvania State University
National Science Foundation (0947962)
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Article History
Received: 4 July 2016
Accepted: 31 October 2016
First Online: 25 November 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
