Funding for this research was provided by:
Natural Science Foundation of Hubei Province (2019CFC899)
Received: 16 April 2022
Accepted: 6 July 2022
First Online: 12 July 2022
: This study was approved by the Ethics Committee of Maternal and Child Health Hospital of Hubei Province. Individual informed consent was waived because this study used data previously collected during the course of routine diagnosis and did not pose any additional risks to the patients. The patient records/information were anonymized and deidentified prior to analysis.
: Not applicable.
: The authors declare that they have no competing interests.