Funding for this research was provided by:
National Key R&D Program of China (2018YFC0115204)
National Natural Science Foundation of China (81672634)
CSCO Pilot Oncology Research Fund (Y-2019AZMS-0377)
Capital Health Development Research Project (2018-2-4023)
Received: 11 January 2021
Accepted: 15 April 2021
First Online: 29 April 2021
: This article was approved by the medical ethics committee of National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.
: Written informed consent was obtained from all participants.
: The authors declare that they have no conflicts of interest.