Received: 26 March 2020
Accepted: 18 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All of the animal procedures were reviewed and approved by the Beike Animal Care and Use Committee.
: Not applicable.
: The author declares that they have no competing interests.