Song, Xue
Xie, Yangyang
Zhu, Yurou
Lou, Yafang
Article History
Received: 28 February 2022
Accepted: 3 May 2022
First Online: 13 May 2022
Declarations
:
: The SEER database can be accessed publicly and provide patient data without specific identification, so ethics approval and informed consent were not required. The human data was in accordance with the Declaration of Helsinki in the manuscript.
: Not applicable.
: The authors have no conflict of interest with any organizations or individuals.