Luo, Sitong
Lin, Chunqing
Ji, Guoping
Li, Li
Funding for this research was provided by:
National Institute of Child Health and Human Development (R01HD068165)
Article History
First Online: 19 December 2016
Compliance with Ethical Standards
:
: All the authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study.