Su, Fan
Chao, Jianqian
Liu, Pei
Zhang, Bowen
Zhang, Na
Luo, Zongyu
Han, Jiaying
Funding for this research was provided by:
The Key Project of Philosophy and Social Science Research in Colleges and Universities in Jiangsu Province (2022SJZD141)
National Natural Science Foundation of China (81872711)
Article History
Received: 4 January 2023
Accepted: 3 July 2023
First Online: 13 July 2023
Declarations
:
: We signed the “Surveillance, Epidemiology, and End Results Program Data-Use Agreement” with the requirement to use SEER database so that we ensured that this study was in anonymized form and all methods were carried out in accordance with guidelines and regulations proposed by SEER. Access to the data in this study was obtained by signing the above SEER data study agreement and therefore did not require ethics committee approval or informed consent. According to the reuse policy of SEER, all data within SEER products is free of copyright and may be reused without our permission unless otherwise indicated.
: Not applicable.
: The authors declare that they have no competing interests.