Liu, Wen-Yuan
Yu, Zhe-Bin
Qiu, Hai-Yan
Wang, Jian-Bing
Chen, Xue-Yu
Chen, Kun
Funding for this research was provided by:
Air pollution and Health Research Center, Zhejiang University (NO.519600-I21502)
Health and Family Planning Commission of Zhejiang Province (NO.2014KYB356)
Health and Family Planning Commission of Zhejiang Province (NO.2014KYA273)
Ningbo Municipal Bureau of Science and Technology (NO.2014B82003)
Ningbo Women and Children's Hospital (NO.2010A22011)
Article History
Received: 14 November 2017
Accepted: 12 September 2018
First Online: 20 September 2018
Ethical approval and consent to participate
: This study did not contain confidential patient data. Committee of ethics, Ningbo Women and Children’s Hospital approved this study. The patient’s consent to participate is not applicable in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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