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Authors
Wu, San-Gang
Li, Feng-Yan
Wang, Jun
Lian, Chen-Lu
Zhou, Juan
He, Zhen-Yu http://orcid.org/0000-0003-1402-8963
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81872459, 81803050)
the Science and Technology Planning Projects of Xiamen Science & Technology Bureau (3502Z20174070)
the Commission Young and Middle-aged Talents Training Project of Fujian Health Commission (2019-ZQNB-25)
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Article History
Received: 1 August 2019
Accepted: 9 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: This study was based on the publicly available SEER database and we have got the permission to access them on purpose of research only (Reference number: 11025-Nov2016). As the SEER database consists of de-identified information, the study was exempt from the approval process of Institutional Review Boards of the First Affiliated Hospital of Xiamen University.
: Not applicable.
: The authors declare that they have no competing interests.
