Funding for this research was provided by:
young scientists fund (82000717)
natural science foundation of beijing municipality (7192043, 7194250)
beijing hospitals authority youth programme (QML20190106)
Article History
Received: 3 August 2021
Accepted: 3 December 2021
First Online: 14 December 2021
Declarations
:
: This study was conducted according to the ethical guidelines of the Helsinki Declaration and approved by the Ethics Committee of Beijing Friendship Hospital of Capital Medical University.
: Consent for publication was waived because the information was anonymized and the submission did not include images that might identify the recipients.
: The authors declare that there are no conflicts of interest.