Funding for this research was provided by:
National Natural Science Foundation of China (81871317)
Military medical innovation project (18CXZ025)
Article History
Received: 23 October 2021
Accepted: 22 January 2022
First Online: 29 March 2022
Declarations
:
: We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.
: The study protocol was consistent with the Declaration of Helsinki (as revised in 2013). The approval from ethics board was not required since our study was a meta study.
: Individual consent for this meta analysis was waived.