Huang, Liling
Feng, Yu
Xie, Tongji
Zhu, Haohua
Tang, Le
Shi, Yuankai
Funding for this research was provided by:
New National Natural Science Foundation of China (82172856)
Article History
Received: 5 July 2022
Accepted: 31 March 2023
First Online: 5 April 2023
Declarations
:
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The data was conducted according to the criteria set by the declaration of Helsinki (as revised in 2013). Besides data downloaded from the public SEER database, the retrieval of an external validation cohort of data of SCLC was approved by the ethics committee of the Cancer hospital, Chinese Academy of Medical Sciences & Peking Union Medical College.
: Not applicable.
: The authors declare no competing interests.