Yang, Lin
Liu, Shousheng
Xiong, Zhenchong
Cao, Huijiao
He, Wenzhuo
Xie, Qiankun
Jiang, Chang
Zhang, Bei
Xia, Liangping
Funding for this research was provided by:
National Natural Science Foundation of China (81272641)
Article History
Received: 29 May 2020
Accepted: 19 September 2020
First Online: 6 October 2020
Compliance with ethical standards
:
: All authors have no conflicts of interest to declare.
: As the data used were from SEER dataset, which is publicly available, ethics approval and consent to participate is not applicable.
: The research involving humans was carried out according to the principles of the Declaration of Helsinki.
: Informed consent was not applicable in this retrospective study.