Cai, Jing-Sheng
Wang, Xun
Funding for this research was provided by:
the Clinical Medicine Plus X-Young Scholars Project, Peking University, the Fundamental Research Funds for the Central Universities
Article History
Received: 3 March 2023
Accepted: 2 July 2023
First Online: 24 July 2023
Declarations
:
: The authors declare no competing interests.
: none declared.
: The Ethics Committee of Peking University People’s Hospital approved this study. This study was conducted in accordance with the Declaration of Helsinki. Authorization was obtained to retrieve SEER data files using the reference code: 12962-Nov2019. This study utilized the de-identified data deposited in the SEER database, and hence the requirement for individual informed consent forms was waived.