Jin, Shengming
Wang, Junjie
Shen, Yijun
Gan, Hualei
Xu, Peihang
Wei, Yu
Wei, Jiaming
Wu, Junlong
Wang, Beihe
Wang, Jun
Yang, Chen
Zhu, Yao
Ye, Dingwei
Funding for this research was provided by:
National Natural Science Foundation of China (81572531)
Article History
Received: 7 August 2019
Accepted: 17 September 2019
First Online: 24 September 2019
Compliance with ethical standards
:
: None of the authors declare competing financial interests.
: All the procedures performed in studies involving human participants were in accordance with the ethical standards of the Research Ethics Committee of Shanghai Cancer Center, Fudan University, China and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was approved by the Research Ethics Committee of Shanghai Cancer Center, Fudan University, China according to the provisions of the Declaration of Helsinki (as revised in Fortaleza, Brazil, October 2013). All patients were identified from the public SEER database. Thus, informed consent was not required.
: The public SEER databases have obtained informed consent from all individual participants included in the SEER database before. Therefore, we did not need extra informed consent of the patients. In addition, patients in this study were all anonymous and other personal information was also erased.