Wang, Lihong
Zhuang, Jielian
Zhang, Heng
Lu, Weijuan
Funding for this research was provided by:
the Major scientific research project of Wuxi Municipal Health Commission (Z201902)
Wuxi Young and Middle-aged Medical Talents Project (BJ2020082)
Article History
Received: 31 March 2022
Accepted: 23 August 2022
First Online: 23 September 2022
Declarations
:
: This study did not need to be approved by the Institutional Review Board of Children’s Hospital of Shanxi and women Health center of Shanxi because the data was accessed from CHNS (a publicly available database). All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.