Received: 10 March 2020
Accepted: 11 September 2020
First Online: 16 November 2020
Ethics approval and consent to participate
: The animal experiments were approved by the Experimental Animal Ethics Committee of Lanzhou University Second Hospital (No. 2019A-224) and conducted in accordance with the <i>Guide for the Care and Use of Laboratory Animals</i> published by the National Institutes of Health. All efforts were made to minimize unnecessary distress to the animals.
: Not applicable.
: The authors declare no conflicts of interest.