Wang, Jia
Ayyar, Ravi
Olah, Andrew
Baer, Eric
Funding for this research was provided by:
National Science Foundation (DMR-0423914)
Article History
Received: 27 May 2015
Accepted: 22 August 2015
First Online: 24 September 2015
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.