Yang, Zhen
Lian, Jing
Guo, Yanan
Li, Shouliang
Wang, Deyuan
Sun, Wenhao
Ma, Yide
Funding for this research was provided by:
National Natural Science Foundation of China (61175012, 61201422)
Natural Science Foundation of Gansu Province (145RJZA181, 1208RJZA265)
Specialized Research Fund for the Doctoral Program of Higher Education of China (20110211110026)
Fundamental Research Funds for the Central Universities of China (lzujbky-2013-k06, lzujbky-2015-196)
Article History
Received: 17 June 2017
Accepted: 10 January 2018
First Online: 24 January 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.