Lu, Zhenhua
Sun, Zhen
Liu, Chengyu
Shi, Xiaolei
Li, Rui
Shao, Weiwei
Zheng, Yangyang
Li, Yao
Song, Jinghai
Article History
Received: 5 January 2021
Accepted: 14 June 2021
First Online: 29 June 2021
Declarations
:
: As the data used was from SEER dataset (public), Ethics approval and consent to participate could be checked in National Cancer Institute’s Surveillance, Epidemiology and End Results (SEER) Database.
: Not applicable.
: The authors declare that they have no competing interests.