Kang, Jing
Li, Liang
Funding for this research was provided by:
Youth Top Talent Support Program of Hebei Province
Article History
Received: 4 January 2018
Accepted: 25 March 2018
First Online: 10 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applicable institutional, national and international guidelines for the care and use of animals were followed.