Liu, Xiuping https://orcid.org/0000-0002-7706-1843
Li, Xue https://orcid.org/0000-0003-4651-8131
Li, Jing https://orcid.org/0000-0002-2512-9834
Li, Guixia https://orcid.org/0000-0001-9869-3615
Guo, Sheng https://orcid.org/0000-0002-5084-2711
Zhu, Houyu https://orcid.org/0000-0002-1102-2163
Zhao, Lianming https://orcid.org/0000-0002-9304-260X
Hao, Chunlian https://orcid.org/0000-0002-4935-3750
Guo, Wenyue https://orcid.org/0000-0002-7537-984X
Funding for this research was provided by:
National Natural Science Foundation of China (21776315)
Natural Science Foundation of Shandong Province (ZR2017MB053)
Natural Science Foundation of Shandong Province (ZR2016BL12)
Fundamental Research Funds for the Central Universities (17CX02031A)
Fundamental Research Funds for the Central Universities (15CX05068A)
Fundamental Research Funds for the Central Universities (15CX08010A)
Qingdao independent innovation program (16-5-1-88-jch)
Article History
Received: 5 January 2018
Accepted: 16 February 2018
First Online: 19 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.