Guan, Peng
Wu, Wei
Huang, Desheng
Funding for this research was provided by:
National Natural Science Foundation of China (71573275)
Science Foundation of Liaoning Provincial Department of Education (LFWK201719, LK201644)
Article History
Received: 13 March 2018
Accepted: 29 May 2018
First Online: 19 June 2018
Ethics approval and consent to participate
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: The authors declare that they have no competing interests.
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