Funding for this research was provided by:
CAMS Innovation Fund for Medical Sciences (2017-I2M-1-005)
National Key R&D Program of China (2016YFC1303201)
National Natural Science Foundation of China (81802299, 81502514)
Fundamental Research Funds for the Central Universities (3332018070)
National Key Basic Research Development Plan (2018YFC1312105)
Received: 15 August 2021
Accepted: 22 November 2021
First Online: 20 December 2021
: The protocol of this study was approved by the Ethics Committee of the Cancer Hospital of the Chinese Academy of Medical Sciences. Due to retrospective nature of this study, the requirement for informed consent was waived. This work was conducted in compliance with the Declaration of Helsinki.
: All authors approve the manuscript for publication.
: The authors declare that they have no competing interests.