Funding for this research was provided by:
National Natural Science Foundation of China (81830043)
CAMS Innovation Fund for Medical Sciences (CIFMS-2017-I2M-1-002)
Article History
Received: 7 April 2021
Accepted: 10 June 2021
First Online: 1 January 2022
Declarations
:
: This study was approved and guided by the ethical committee of the Peking Union Medical College Hospital. Informed consent was obtained from all participants.
: None.
: The authors declare that they have no competing interests.
: None.