Liu, Xuewu
Wang, Yuanyuan
Liang, Jiao
Wang, Luojun
Qin, Na
Zhao, Ya
Zhao, Gang
Funding for this research was provided by:
National Natural Science Foundation of China (31600615)
Natural Science Foundation of Shaanxi Province (2016JQ8023)
China Postdoctoral Science Foundation (2015M582796)
Article History
Received: 20 September 2017
Accepted: 10 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.