Received: 10 December 2020
Accepted: 1 April 2021
First Online: 12 June 2021
: The present study has been approved by the ethics committee of Affiliated Hospital of Shandong University of Traditional Chinese Medicine. The animal experiments involved in this study were conducted in accordance with the Guide for the Care and Use of Laboratory Animals of the <i>National Institutes of Health</i>.
: Not applicable.
: The authors declare no conflict of interest.