Huang, Lei
Lerro, Catherine
Yang, Tao
Li, Jing
Qiu, Jie
Qiu, Weitao
He, Xiaochun
Cui, Hongmei
Lv, Ling
Xu, Ruifeng
Xu, Xiaoying
Huang, Huang
Liu, Qing
Zhang, Yawei
Funding for this research was provided by:
National Institute of Child Health and Human Development (K02HD70324)
Gansu Provincial Science and Technology Department (1204WCGA021)
National Natural Science Foundation of China (81473061)
Article History
Received: 20 November 2015
Accepted: 13 May 2016
First Online: 31 May 2016
Ethics approval and consent to participate
: All study procedures were approved by the human investigation committees at the Gansu Provincial Maternity and Child Care Hospital and Yale University.
: Not applicable.
: The authors declare that they have no competing interests.