Funding for this research was provided by:
the Guangzhou Science and technology project (201904010037)
Received: 29 April 2021
Accepted: 24 July 2021
First Online: 31 July 2021
: Written consent was provided by each patient before the surgical operation. The whole research plan was approved by the Medical Ethics Committee of the Third Affiliated Hospital of Guangzhou Medical University in advance.
: Not applicable.
: The authors declare that they have no competing interests.