Funding for this research was provided by:
National Natural Science Foundation of China (82072891)
Article History
Received: 27 March 2022
Accepted: 1 February 2023
First Online: 23 February 2023
Declarations
:
: The authors declare that they have no competing interests.
: This study was conducted with approval from the Ethics Committee of Shanxi Maternal and Child Health Hospital.
: Not applicable.