Chai, Guaiqiang
Li, Chunlian
Xu, Feng
Li, Yang
Shi, Xue
Wang, Yong
Wang, Zhonghua
Funding for this research was provided by:
National Natural Science Foundation of China (31471568, 31271794)
Science and Technology Innovation Team Plan from shaanxi province, China (2014KCT-25)
Article History
Received: 21 September 2017
Accepted: 22 February 2018
First Online: 5 March 2018
Ethics approval and consent to participate
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: The authors declare that they have no competing interests.
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