Jiang, Kehua
Chen, Hongbo
Yu, Xiao
Chen, Zhiqiang
Ye, Zhangqun
Yuan, Huixing
Funding for this research was provided by:
Hubei Province health and family planning scientific research project (WJ2017M257)
Natural Science Foundation of Hubei Province of China (2017CFB516)
Natural Science Foundation of Hubei Province of China (2017CFB638)
Article History
Received: 18 November 2017
Accepted: 22 February 2018
First Online: 1 March 2018
Compliance with ethical standards
:
: All authors declare that no conflict of interests exists.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.