Funding for this research was provided by:
National Natural Science Foundation of China (81974128, 81570813)
Article History
Received: 5 March 2021
Revised: 3 June 2021
Accepted: 21 June 2021
First Online: 27 July 2021
Declarations
:
: The investigation was performed in accordance with the tenets outlined in the Declaration of Helsinki. The study protocol was approved by the Medical Science Research Ethics Committee of Peking University Third Hospital, which waived the requirement for informed consent due to the nature of the study (approval number: IRB00006761-M2020240).
: Not applicable.
: The authors declare no competing interests.