Funding for this research was provided by:
sanming project of medicine in shenzhen (SZSM201811096)
Article History
Received: 24 March 2021
Accepted: 2 August 2021
First Online: 3 September 2021
Declarations
:
: The authors declare that there are no competing interests associated with the manuscript.
: The design of this protocol follows the tenets of the Declaration of Helsinki, approved by the Ethics Committee of Fuwai Hospital, Chinese Academy of Medical Sciences. (No. 2019SZ1096). Number acquisition time is 2019.12.17.
: All participants signed the written informed consents.