Mo, Chao-hua
Gao, Li
Zhu, Xiao-fei
Wei, Kang-lai
Zeng, Jing-jing
Chen, Gang http://orcid.org/0000-0003-4418-0528
Feng, Zhen-bo
Funding for this research was provided by:
Guangxi Natural Scientific Fund (2015GXNSFAA139187)
the self-funded research projects of Guangxi Zhuang Autonomous Region health and Family Planning Commission (Z2016185)