Sun, Cheng-yao
Shi, Ju-fang
Fu, Wen-qi
Zhang, Xin
Liu, Guo-xiang
Chen, Wan-qing
He, Jie
Article History
Received: 2 June 2021
Accepted: 17 November 2021
First Online: 10 December 2021
Declarations
:
: The study protocol followed the tenets of the declaration of Helsinki. This study was reviewed and approved by the Ethics Committee of the Cancer Institute and Hospital, Chinese Academy of Medical Sciences (15-070/997). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that there are no competing interests.