Li, Wenle
Dong, Shengtao
Lin, Yuewei
Wu, Huitao
Chen, Mengfei
Qin, Chuan
Li, Kelin
Zhang, JunYan
Tang, Zhi-Ri
Wang, Haosheng
Huo, Kang
Xie, Xiangtao
Hu, Zhaohui
Kuang, Sirui
Yin, Chengliang
Article History
Received: 9 June 2021
Accepted: 10 June 2022
First Online: 23 August 2022
Declarations
:
: All methods were performed in accordance with the relevant guidelines and regulations(Declaration of Helsinki).This study is based on the SEER database and does not require ethical approval. In the external validation group, all participants signed written informed consents following the recommendations of the Institutional Review Board of the Xianyang Central Hospital. The ethical approval certificate is 20210022.
: Not applicable.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.