Funding for this research was provided by:
research plan of the Tianjin Application Foundation and Advanced Technology (14JCYBJC26100)
the Science and Technology foundation of Tianjin Health and Family Planning Committee (2014KY11, 15KG131)
Text and Data Mining valid from 2018-05-08
Received: 17 February 2018
Accepted: 2 May 2018
First Online: 8 May 2018
: All experimental protocols were approved by the local animal care and use committee (the Animal Experimental Ethics Association of Tianjin First Centre Hospital). The experiments were carried out in accordance with the approved guidelines.
: All authors declare that they have no competing interests.
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