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Authors
Zhou, Tong
Guo, Jianqiu
Zhang, Jiming
Xiao, Hongxi
Qi, Xiaojuan
Wu, Chunhua
Chang, Xiuli
Zhang, Yubin
Liu, Qiang
Zhou, Zhijun
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Funding
Funding for this research was provided by:
Shanghai “3-Year Action” Project (GWIV- 27.3)
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Article History
Received: 23 January 2019
Accepted: 19 March 2019
First Online: 11 April 2019
Compliance with Ethical Standards
: The study had been performed in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study protocol was approved by the Ethics Committee of the School of Public Health, Fudan University. Written informed consent was obtained from pregnant women and children’s caregivers (parents or grandparents).
: The authors declare that they have no competing interests.
