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Authors
Li, Liangshan
Ma, Jianhua
Wang, Jingli
Dong, Liping
Liu, Shiguo
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Funding
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1000306)
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Article History
Received: 30 April 2022
Accepted: 1 September 2022
First Online: 26 September 2022
Declarations
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: This study was approved by the Ethics Committee of the Affiliated Hospital of Qingdao University and Zibo Maternal and Child Health Hospital. The participants provided informed consent for participation.
: An informed consent for the publication has been obtained from the participants.
: No competing of interest are declared by the authors.
