Funding for this research was provided by:
the National Natural Science Foundation of China (81671470)
the National Key Research and Development Program of China (2018YFC1004104)
Received: 8 October 2020
Accepted: 16 March 2021
First Online: 30 March 2021
: This study was approved by the Research Ethics Committee of the Third Affiliated Hospital of Guangzhou Medical University. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.