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Authors
Mu, Yi
Li, Mingrong
Zhu, Jun
Wang, Yanping
Xing, Aiyun
Liu, Zheng
Xie, Yanxia https://orcid.org/0000-0002-0980-8773
Wang, Xiaodong
Liang, Juan
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Funding
Funding for this research was provided by:
China Medical Board (11-065)
World Health Organization (CHN-12-MCN-004888)
The National Key R&D Program of China (2019YFC1005100)
UNICEF (2019EJH015)
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Article History
Received: 20 April 2020
Accepted: 29 December 2020
First Online: 12 January 2021
Ethics approval and consent to participate
: Ethical approval for the NMNMSS was provided by the Ethics Committee of West China Second University Hospital, Sichuan University, China. Informed consent from the patient was waived from the Ethics Committee, as the data used in this study were obtained from a national routine surveillance system established by the government. Data use was authorized by the National Health Commission, and data provided to us were de-identified.
: Not applicable.
: The authors have declared that no competing interests exist.
