Acknowledgments
Funding: This work was supported by the Chinese Academy of Medical Sciences (CAMS) Innovation Fund for Medical Sciences (CIFMS) [Grant number: 2021-I2M-1–034, 2021-I2M-1–018, 2016-I2M-1–002], the Fundamental Research Funds for the Central Universities [grant number: 3332021011], National Natural Science Foundation of China [NSFC; grant numbers 81971293, 81788101], National Key Research and Development Program of China [Grant number: 2016YFC0905100], Research Fund from CAAE [UCB-2018029, CU-A-2021-21], the National Key Research and Development Project [grant number: 2018YFC2000803], and Hygiene and Health Development Scientific Research Fostering Plan of Haidian District Beijing [HP2021-03-50801].
Conflict of interests: None of the authors have potential conflicts of interest to be disclosed.