Zhai, Laiyuan
Zheng, Tianqing
Wang, Xinyu
Wang, Yun
Chen, Kai
Wang, Shu
Wang, Yun
Xu, Jianlong http://orcid.org/0000-0001-6623-1256
Li, Zhikang
Funding for this research was provided by:
the National Natural Science Foundation of China (31671602)
the Key Laboratory Project of Department of Education of Liaoning Province, China (LZ2015065)
the national key research and development program of China (2016YFD0300104)
the “863” Key Project (2014AA10A601)
the Bill and Melinda Gates Foundation project (#OPP1130530)
Article History
Received: 11 November 2017
Accepted: 12 February 2018
First Online: 6 March 2018
Competing interests
: The authors declare that they have no competing interests.
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