Received: 19 September 2019
Accepted: 19 May 2020
First Online: 6 June 2020
Ethics approval and consent to participate
: The current study was approved by the Ethics Committee of the Experimental Animal Center of Jining No. 1 People’s Hospital. All animals were treated according to the Guide for the Care and Use of Laboratory Animals of the Institute for Laboratory Animal Research.
: Not applicable.
: The authors declare that they have no competing interests.