Funding
This work was financially supported by the Heilongjiang Province Science Foundation for Youths (Grant No. QC2016018), the National Natural Science Foundation of China (Grant No. 31600508), the Application Technology Research and Development Projects of Heilongjiang Province (Grant No. WB13B104) and the Science and Technology Project of Heilong jiang Farms & Land Reclamation Administration (Grant No. HNK135-01-056). The authors also declare no conflict of interest. The content of this article is the exclusive responsibility of the authors.