Funding for this research was provided by:
Natural Science Foundation of China (31771397, 81573251, 81672369)
Beijing Nova Program (20180059)
National Key R&D Program of China (2017YFA0504301)
Chinese Key Project for Infectious Diseases (2018ZX10732202, 2017ZX10203205)
Beijing Institute of Radiation Medicine (BIRM) Innovation Fund (BIOX0105)
Received: 23 December 2020
Accepted: 14 May 2021
First Online: 25 May 2021
: All studies have been performed following the Declaration of Helsinki and have been approved by the Medical Ethical Committee of the Beijing Institute of Radiation Medicine (Beijing, China). Written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.