Xu, Huan
Cai, Zhikang
Chen, Yanbo
Gu, Meng
Chen, Qi
Wang, Zhong
Funding for this research was provided by:
Shanghai Pudong new area health and family planning project (NO. PW2013D-3)
key disciplines group construction project of Pudong Health Bureau of Shanghai (PWZxq2014-11)
Program for Outstanding Medical Academic Leader, and Speciality Construction Project of Pudong Health and Family Commission of Shanghai (NO. PWZz2013-16)