Xie, Donghua
Wei, Jianhui
Wang, Aihua
Xiong, Lili
Zou, Kehan
Xie, Zhiqun
Fang, Junqun
Funding for this research was provided by:
natural Science Foundation of Science and Technology Department of Hunan Province (2022JJ40208, 2022JJ40208, 2022JJ40208)
Foundation of the Ministry of Health of Hunan Province, China (202212034013, 202212034013, 202212034013)
Article History
Received: 15 November 2022
Accepted: 22 August 2023
First Online: 11 November 2023
Declarations
:
: This study was approved by the Ethics Committee of Maternal and Child Care, Hospital of Hunan Province. Our study did not involve any human tissue samples, and the data we used came from government surveillance data. In the collection of case information, all information was collected in accordance with relevant guidelines and regulations, and informed consent was obtained from all subjects before the information was obtained by the physicians. All personal patient information was removed prior to the analysis of the data.
: ‘Not applicable’ for this segment.
: The authors declare no competing interests.