Tao, Quan
Lan, Fei
Jiang, Minlin
Wei, Fanan
Li, Guangyong
Funding for this research was provided by:
National Science Foundation (CNS 1035563)
Article History
Received: 21 November 2014
Accepted: 3 July 2015
First Online: 14 July 2015
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.