Funding for this research was provided by:
National Natural Science Foundation of China (81970291)
Article History
Received: 7 March 2021
Accepted: 3 May 2021
First Online: 10 May 2021
Declarations
:
: The study protocol was approved by the Institutional Review Board of The Anzhen Hospital, Beijing, China.
: Yes.
: The authors declare that they have no competing interests.