Abudurexiti, Mierxiati http://orcid.org/0000-0002-5909-6663
Wang, Jun
Shao, Ning
Wan, Fang-Ning
Zhu, Wen-Kai
Dai, Bo
Zhu, Yao
Ye, Ding-Wei
Article History
Accepted: 29 August 2019
First Online: 20 October 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: De-identification of SEER data was done before release and they do not contain any personally identification information. As the data are publicly available, no ethical approval is required.
: As the data are publicly available, no informed consent is required.