Funding for this research was provided by:
Science and Technology Department of Henan Province (162102310131)
Text and Data Mining valid from 2019-08-14
Received: 7 June 2019
Accepted: 6 August 2019
First Online: 14 August 2019
Ethics approval and consent to participate
: The study was approved by Clinical Research Ethics Committee of the Zhengzhou University (No.2016–56) and Institutional Committee for Animal Research of Zhengzhou University.
: Not applicable.
: The authors declare that they have no competing interests.