Hu, Lingmin
Du, Jiangbo
Lv, Hong
Zhao, Jing
Chen, Mengxi
Wang, Yifeng
Wu, Fang
Liu, Feng
Chen, Xiaojiao
Zhang, Junqiang
Ma, Hongxia
Jin, Guangfu
Shen, Hongbing
Chen, Li
Ling, Xiufeng
Hu, Zhibin
Funding for this research was provided by:
National Key Research & Development Program (2016YFC1000200, 2016YFC1000204)
the State Key Program of National Natural Science of China (31530047)
Science Foundation for Distinguished Young Scholars in Jiangsu (BK20160046)
National Natural Science Foundation of China (81602927)
Cheung Kong Scholars Programme of China
the QingLan Project of the Jiangsu Province
Jiangsu Specially-Appointed Professor project
Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Clinical medicine research fund of the Chinese medical association (17020420711)
Innovation fund of state key laboratory of reproductive medicine (SKLRM-GC201802)
Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (PPZY2015A067)
Jiangsu Provincial Medical Youth Talent (QNRC2016304)
Natural Science Foundation of Jiangsu Province (BK20161031)
Article History
Received: 30 April 2018
Accepted: 23 July 2018
First Online: 7 August 2018
Ethics approval and consent to participate
: All methods and information collection protocols were approved by Nanjing Medical University and were carried out in accordance with the approved guidelines. Our research has gotten the waiver from institutional review board for the medical record review for selective variable analysis in the Affiliated Nanjing Maternity and Child Health Hospital of Nanjing Medical University, and the Affiliated Changzhou Maternity and Child Health Care Hospital of Nanjing Medical University.
: Not applicable.
: The authors declare that they have no competing interests.
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