Zeng, Wen
Xiang, Lili
Zhang, Wenhe
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR201702170310)
Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents (2016RCJJ003)
the State Scholarship Fund of China Scholarship Council (201808370092)
Article History
Received: 20 November 2017
Accepted: 26 October 2018
First Online: 20 November 2018
Compliance with Ethical Standards
:
: No conflict of interest exits in the submission of this manuscript, and manuscript is approved by all authors for publication. I would like to declare on behalf of my co-authors that the work described was original research that has not been published previously, and not under consideration for publication elsewhere, in whole or in part. All the authors listed have approved the manuscript that is enclosed.