Cheng, Xiangdong
Wu, Dan
Xu, Nong
Chen, Luchuan
Yan, Zhilong
Chen, Ping
Zhou, Lei
Yu, Jianfa
Cui, Jiuwei
Li, Wei
Wang, Chang
Feng, Wenming
Wei, Yunhai
Yu, Pengfei
Du, Yian
Ying, Jieer
Xu, Zhiyuan
Yang, Litao
Zhang, Yunli
Article History
Received: 16 June 2020
Accepted: 26 December 2020
First Online: 12 January 2021
Ethics approval and consent to participate
: Written informed consent is obtained from all patients before enrollment, patients consented with the anonymous use of their data for study purposes. The study has been approved by the Institutional Review Board at the Cancer Hospital of the University of Chinese Academy of Sciences (accepted number: 2019–139), and was undertaken in accordance with the Helsinki declaration and the Chinese Good Clinical Practice Guidelines. Ethics approval will be sought from each participating center prior to the study beginning at the site.
: Not applicable.
: The authors declare that they have no competing interests.