Funding for this research was provided by:
National Natural Science Foundation of China (81572635, 81972513)
Received: 28 March 2020
Revised: 1 February 2021
Accepted: 4 February 2021
First Online: 26 February 2021
Compliance with ethical standards
: All animal experiments were approved by the Institutional Review Board of Peking University, People’s Hospital and carefully conducted according to Guide for the Care and Use of Laboratory Animals. The specimen collection was conducted according to the protocols approved by the ethics committee of Peking University People’s Hospital and informed consent was obtained from patients in all cases.
: The authors declare that they have no conflict of interest.