Li, Zhiming
Shang, Xuan
Luo, Shiqiang
Zhu, Fei
Wei, Xiaofeng
Zhou, Wanjun
Ye, Yuhua
Yan, Tizhen
Cai, Ren
Xu, Xiangmin
Funding for this research was provided by:
National Key R&D Program of China (2018YFA0507800, 2018YFA0507803)
Natural Science Foundation of China (81870148)
Natural Science Foundation of Guangdong Province (2017A030313673)
Guangxi health and family planning commission self-funding project (Z20170528)
Article History
Received: 19 August 2019
Accepted: 6 December 2019
First Online: 2 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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 or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.