Ni, Jinwen
Ge, Jingjie
Zhang, Miaoying
Hussain, Khalid
Guan, Yihui
Cheng, Ruoqian
Xi, Li
Zheng, Zhangqian
Ren, Shuhua
Luo, Feihong
Funding for this research was provided by:
Shanghai Science and Technology Committee (15411951700)
Article History
Received: 5 February 2019
Revised: 4 June 2019
Accepted: 5 June 2019
First Online: 19 June 2019
Compliance with ethical standards
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors declare that they have no conflict of interest.
: Infants whose parents gave informed written consent were recruited.