Funding for this research was provided by:
National Natural Science Foundation of China (81703584)
Natural Science Foundation of Guangdong Province (2017A030310614)
Text and Data Mining valid from 2019-03-02
Received: 26 November 2018
Accepted: 28 January 2019
First Online: 2 March 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. This study was carried out in strict accordance with the recommendations in the Guide for the Care and Use of Laboratory Animals of Guangdong Laboratory Animal Monitoring Institute by the National Laboratory Animal Monitoring Institute of China. The experiments have been conducted according to the protocols approved by Specific Pathogen Free animal care of Animal Center of Guangdong Medical University and approved by the Academic Committee on the Ethics of Animal Experiments of the Guangdong Medical University, Zhanjiang, P.R. China, Permit Number: SYXK (GUANGDONG) 2008-0007.