Funding for this research was provided by:
Natural Science Foundation of Guangdong Province (2017A030313171; 2020A1515011110)
Received: 21 August 2020
Accepted: 4 February 2021
First Online: 1 March 2021
Ethics approval and consent to participate
: All procedures in the present study were approved by the Animal Ethics Committee of Foshan University and written informed consent was obtained from all donors.
: Not applicable.
: The authors declare that they have no competing interests.