Zhu, Xiaoqin
Niu, Huiyuan
Wang, Hui
Li, Xiaoqiong
Qi, Tingting
Ding, Weijie
Han, Liangrong
Zhang, Muling
Guan, Honghua
Li, Shouzhong
Tang, Chunhong
Yin, Yaodong
Cao, Xihui
Liu, Hong
Gao, Cui
Yue, Hongni
Sun, Bo
Funding for this research was provided by:
Jiangsu Provincial Commission of Health and Family Planning (F201402)
Article History
Received: 24 September 2018
Accepted: 30 April 2019
First Online: 3 July 2019
Ethics approval and consent to participate
: The ethics committee of Huaian Women and Children’s Hospital approved the study design and protocol, and waived the need for consent. This approval was further adopted and approved by the participating level II and III hospitals in Huai’an in accordance with the Chinese regulations for clinical practice and investigation (ExternalRef removed). The permission was obtained from each center which allowed the use of birth registry data, maternal, pregnant and delivery-associated data, fetal death, stillbirth, live birth and hospitalized neonatal data, for scientific investigation and publication. The names of the ethics committees and scientific committees (institutional review board) of the major participating hospitals are listed below:1. The Ethics Committee and the Director’s Office of Research and Education, Huai’an Women and Children’s Hospital, Huai’an;2. The Director’s Office of Research and Education, Huai’an First General Hospital;3. The Director’s Office of Research and Education, Huai’an Second General Hospital;4. The Director’s Office of Research and Education, Huaiyin District Hospital;5. The Director’s Office of Research and Education, Chuzhou District Hospital;6. The Director’s Office of Research and Education, Lianshui County Hospital;7. The Director’s Office of Research and Education, Xuyi County Hospital;8. The Director’s Office of Research and Education, Hongze County Hospital;9. The Director’s Office of Research and Education, Jinhu County Hospital, and those of the rest level II and III hospitals in Huaian, Jiangsu; and10. The Director’s Office of Scientific Research, Children’s Hospital of Fudan University, Shanghai, China.
: Not applicable.
: The authors declare that they have no competing interests.
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