Fan, Chunlei
Zhou, Xin
Su, Guoqiang
Zhou, Yanming
Su, Jingjun
Luo, Mingxu
Li, Hui
Funding for this research was provided by:
Health and Family Planning Commission of Fujian Province (2014-CXB-38)
Science and Technology Bureau of Xiamen City (3502Z20154005)
Article History
Received: 7 January 2018
Accepted: 9 July 2019
First Online: 24 July 2019
Ethics approval and consent to participate
: Not applicable.
: The manuscript is approved for publication by all the authors.
: The authors declare that they have no competing interests.