Ma, Yuchi
Yang, Ning
Zhang, Lei
Yu, Philip S.
Funding for this research was provided by:
National Natural Science Foundation of China (61173099)
the Basic Research Program of Sichuan Province (2014JY0220)
National Science Foundation (CNS-1115234, DBI-0960443)
National Science Foundation (OISE-1129076)
Article History
Received: 5 February 2016
Revised: 21 February 2017
Accepted: 21 February 2017
First Online: 3 March 2017