Yang, Ning
Ma, Yuchi
Chen, Li
Yu, Philip S.
Funding for this research was provided by:
National Natural Science Foundation of China (61173099)
National Science Foundation (CNS-1115234)
National Science Foundation (OISE-1129076)
Article History
Received: 29 June 2017
Revised: 22 February 2019
Accepted: 22 April 2019
First Online: 9 May 2019