Meng, Xiangdi
Hao, Furong
Wang, Nan
Qin, Peiyan
Ju, Zhuojun
Sun, Daqing
Funding for this research was provided by:
Development Project in Science and Technology of Weifang (Soft Science) (2022RKX015)
Article History
Received: 7 November 2023
Accepted: 15 April 2024
First Online: 18 April 2024
Declarations
:
: All the procedures followed were in accordance with the Helsinki Declaration of the World Medical Association (as revised in 2013). Before the study, we signed the SEER Research Data Use Agreement and the Best Practices Assurance and obtained database access, thus exempting us from review by the institutional ethics committee and did not require informed patient consent.
: Not applicable.
: The authors declare no competing interests.