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Authors
Liang, Jieyi
He, Tingshan
Li, Hong
Guo, Xueqing
Zhang, Zhiqiao https://orcid.org/0000-0003-4631-8818
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Funding
Funding for this research was provided by:
Foshan Science and Technology Bureau (2020001004584)
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Article History
Received: 25 March 2022
Accepted: 18 June 2022
First Online: 28 June 2022
Declarations
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: Details of all patients in SEER database have been anonymously processed and therefore the current research does not involve patients’ privacy information. The current study was a second study based on public datasets from SEER database. The current study was performed according to public database policy and declaration of Helsinki. Therefore, ethical approval and informed consent were not applicable according to above reasons.
: The current study did not report individual participant's data in any form so that informed consent was not applicable. All authors reviewed the manuscript and consented for publication.
: The authors declare no potential conflicts of interest.
