Sun, Ming
Li, Jichun
Wang, Peizhen
Zhang, Zhimin
Funding for this research was provided by:
National Natural Science Foundation of China (11671233)
National Natural Science Foundation of China (11471031)
National Natural Science Foundation of China (91430216)
National Natural Science Foundation of China (U1530401)
National Science Foundation (DMS-1416742)
National Science Foundation (DMS-1419040)
Article History
Received: 23 March 2017
Accepted: 22 August 2017
First Online: 4 September 2017