Xu, Jiaqin
Hussain, Iftikhar
Wang, Liuying
Deng, Kui
Zhao, Liang
Zhou, Keqiang
Zhang, Liuchao
Xu, Zhengyi
Li, Kang http://orcid.org/0000-0002-2960-3169
Funding for this research was provided by:
National Natural Science Foundation of China (81773551)
Harbin Medical University (YJSKYCX2019-72HYD)
Article History
Received: 15 May 2020
Accepted: 2 February 2021
First Online: 26 February 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: All authors reviewed and approved the final version of the manuscript.
: The SEER database was publicly available and all patient-related information has been de-identified. Hence, we did not require Institutional Review Board approval or patient informed consent.