Funding for this research was provided by:
National Natural Science Foundation of China (81371917)
Text and Data Mining valid from 2018-09-15
Received: 13 April 2018
Accepted: 3 September 2018
First Online: 15 September 2018
: Animals were treated in accordance with the NIH Guide for the Care and Use of Laboratory Animals. All animal protocols used in this experiment were submitted and approved by the Ethical Committee for Animal Experimentation of the School of Medicine at Shandong University (Document No. LL-201602035).
: Not applicable.
: The authors declare that they have no competing interests.
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