Liu, Xiaofeng
Zhan, Weiwu
Wu, Qiumei
Wang, Fengqing
Yang, Bin
Ou, Qishui
Funding for this research was provided by:
National Natural Science Foundation of China (81572067)
Natural Science Foundation of Fujian Province (2016J05185)
Youth Foundation of Health and Family Planning Commission of Fujian Provinc (2016-1-55)
Article History
Received: 27 December 2017
Accepted: 23 April 2018
First Online: 16 May 2018
Ethics approval and consent to participate
: The study was approved by the ethics committees of the First Affiliated Hospital of Fujian Medical University and was performed in accordance with the Declaration of Helsinki.
: The authors declare that they have no competing interests.
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