Li, Ming
Shu, Zhiqun
Huang, Xuan
Du, Zhaohui
Wu, Jun
Xia, Qingshi
Liu, Kun
Lou, Jiquan
Jing, Limei
Funding for this research was provided by:
National Natural Science Foundation of China (71503170)
Shanghai Municipal Commission of Health and Family Planning (201440036, 2016HP009)
Pudong New Area Health and Family Planning Commission (PW2016A-4, PWRq2016)