Sun, D.
Ge, Yu.
Cheng, Q.
Article History
Received: 14 November 2018
Revised: 8 January 2019
Accepted: 10 January 2019
First Online: 6 February 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflict of interest.
: <i>Statement on the welfare of animals</i>. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.