Funding for this research was provided by:
National Natural Science Foundation of China (81470086)
Text and Data Mining valid from 2019-01-08
Received: 23 August 2018
Accepted: 21 December 2018
First Online: 8 January 2019
: All procedures performed in studies involving animals were approved by Medical Ethics Committee of Shengjing Hospital of China Medical University following the Guide for the Care and Use of Laboratory Animals.
: The authors declare that they have no competing interests.