Li, Yichong
Zeng, Xinying
Liu, Jiangmei
Liu, Yunning
Liu, Shiwei
Yin, Peng
Qi, Jinlei
Zhao, Zhenping
Yu, Shicheng
Hu, Yuehua
He, Guangxue
Lopez, Alan D.
Gao, George F.
Wang, Linhong
Zhou, Maigeng
Funding for this research was provided by:
This research was supported by National Health and Family Planning Commission of China