Zhang, Xiaofeng
Jian, Muwei
Sun, Yujuan
Wang, Hua
Zhang, Caiming
Funding for this research was provided by:
NSF of China (U1609218)
NSF of China (61873117, 61772253,61771231)
NSF of China (61602229, 61873145)
Natural Science Foundation of Shandong Province (ZR2016FM21)
Natural Science Foundation of Shandong Province (ZR2016FM13)
Article History
Received: 8 October 2018
Revised: 24 May 2019
Accepted: 26 July 2019
First Online: 5 September 2019
Compliance with Ethical Standards
:
: All of the authors declare that they have no conflict of interest.