Liu, Zhining
Ren, Weidong
Guo, Jintao
Zhao, Ying
Sun, Siyu
Li, Yuhong
Liu, Zhijun
Funding for this research was provided by:
Science and Technology Department of Liaoning Province (No. 201602843)
Liaoning Province Doctoral Fund (No. 201601358)
Article History
Received: 25 July 2017
Accepted: 8 January 2018
First Online: 25 January 2018
Compliance with ethical standards
:
: The authors declare no conflicts of interest.