Ren, Cheng-Gang
Kong, Cun-Cui
Xie, Zhi-Hong
Funding for this research was provided by:
the National Natural Science Foundation of China (31601238)
the National Natural Science Foundation of China (31370108)
the National Natural Science Foundation of China (31570063)
he High-tech Industrialization Cooperation Funds of Jilin province and the Chinese Academy of Science (2017SYHZ0007)
the Yantai Key Project of Research and Development Plan (2016ZH074)
Article History
Received: 23 October 2017
Accepted: 24 April 2018
First Online: 3 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.