Zhang, Tingting
Zhu, Liancheng http://orcid.org/0000-0002-0814-5816
Funding for this research was provided by:
345 talent project of shengjing hospital
Article History
Received: 18 June 2021
Accepted: 18 November 2021
First Online: 29 November 2021
Declarations
:
: The authors declare that there is no conflict of interest regarding the publication of this paper.
: This study used the SEER database and does not require informed consent. Standard ethical standards were met.