Yang, Yi
Lu, Yujie
Jiang, Wen
Zhu, Jinzhou
Yan, Su
Funding for this research was provided by:
the Science and Technology Foundation, Suzhou, Jiangsu (SYS2019054)
Article History
Received: 27 May 2020
Accepted: 28 July 2020
First Online: 3 August 2020
Ethics approval and consent to participate
: The SEER database is an open-access cancer database that only contains de-identified patient data. Therefore, this study was exempted from the approval of the institutional review board of the First Affiliated Hospital of Soochow University.
: Not applicable
: The authors declare that they have no competing interests.