Wang, Bin
Zhu, Lizhe
He, Chenyang
Tai, Minghui
Zhou, Can
Ge, Guanqun
Zhang, Huimin
He, Jianjun
Wang, Ke http://orcid.org/0000-0003-1487-190X
Funding for this research was provided by:
the National Natural Science Fund of China (81702633)
Article History
Received: 7 June 2019
Accepted: 19 December 2019
First Online: 3 January 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: The research has been approved by Institutional Review Board of the Cancer Foundation of China. Because of the study’s retrospective nature, we were unable to contact all the patients or their families.
: Informed consent was not obtained because this study was not a risk to patients. All patient identifiers were removed, as per the approved procedures. Deidentified data were saved in a secured database, to which only researchers in our teams had access. Patient consent for this study was not required due to the retrospective nature of our analysis.