Wang, Yangyang
Rubin, Jonathan E. https://orcid.org/0000-0002-1513-1551
Funding for this research was provided by:
National Science Foundation (DMS 1312508, DMS 1516288)
Article History
Received: 19 November 2015
Revised: 1 July 2016
Accepted: 8 July 2016
First Online: 5 August 2016
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.