Chen, Xiao-Wen
Jiang, Li-Yuan
Chen, Ya
Guo, Li-Fang
Zhu, Xu-Hong
Funding for this research was provided by:
Hangzhou Medical and Health Project (002019004, 002019004, 002019004, 002019004, 002019004)
Article History
Received: 27 May 2021
Accepted: 9 May 2022
First Online: 16 May 2022
Declarations
:
: The study was approved by the ethics committee of Hangzhou Women’s Hospital. The researchers received permission to use the dataset from Mother and Child Health Handbook app and have maintained the confidentiality of the data. Informed consent was obtained from all subjects and from a parent and/or legal guardian as subjects are less than 18 years of age. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no conflict of interests.