Zhang, Huidan
Lu, Dong
Li, Xin
Feng, Yingang
Cui, Qiu
Song, Xiaojin http://orcid.org/0000-0002-9094-3744
Funding for this research was provided by:
National Key Research and Development Program (2016YFA0601400)
Key research and development program of Shandong Province (2017YYSP026)
Qingdao independent innovation major project (16-7-1-11-zdzx-nsh)
Article History
Received: 5 October 2017
Accepted: 18 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
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