Wang, Yanying
Jiang, Jianxin
Li, Qun
Ma, Hong
Xu, Zengguang
Gao, Yong
Funding for this research was provided by:
Shanghai medical key specialty (ZK2012A26)
Key Disciplines Group Construction Project of Pudong Health Bureau of Shanghai (PWZxq2014-04)
Outstanding Leaders Training Program of Pudong Health Bureau of Shanghai (PWRl2013-02)
Outstangding Leaders Training Progran of Pudong Health and Family Planning Commission of Shanghai (PWRL2014-1)