Song, Xiaopeng
Han, Ping
Liu, Jingmei
Wang, Yunwu
Li, Dongxiao
He, Jiayi
Gong, Jin
Li, Mengke
Tu, Wei
Yan, Wei
Liu, Mei
Huang, Huanjun
Tian, Dean
Liao, Jiazhi
Funding for this research was provided by:
the National Natural Science Foundation of China (81270507, 81272657, 81472311, 81401992)
the Fundamental Research Funds for the Central Universities (2014TS077)
the Project sponsored by SRF for ROCS, SEM (2014-1685)
Hubei Province health and family planning scientific research project (WJ2015Q006)