Liu, Wei
Zhang, Wei
Xu, Ye
Li, Yu-Hong
Xing, Bao-Cai
Funding for this research was provided by:
National Nature Science Foundation of China (No. 31971192, No. 81874143)
Article History
Received: 8 July 2020
Accepted: 10 April 2021
First Online: 22 May 2021
Disclosure
: There are no conflict of interest.
: The present study is a retrospective study and all subjects have given their written informed consent. The investigation project has been examined and certified by Ethics Committee of Beijing Cancer Hospital. The study was performed in accordance with the Declaration of Helsinki.