Shen, Yidong http://orcid.org/0000-0002-5439-3757
Dong, Huixi
Lu, Xiaozi
Lian, Nan
Xun, Guanglei
Shi, Lijuan
Xiao, Lu
Zhao, Jingping
Ou, Jianjun
Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2012CB517901)
The Natural Science Foundation of China (81601197)
Fundamental Research Funds for the Central Universities of Central South University (2016zzts135)
Article History
Received: 4 April 2017
Accepted: 7 January 2018
First Online: 17 January 2018
Ethics approval and consent to participate
: This study was a part of a larger research project that was approved by the Human Ethics Committee of the Second Xiangya Hospital of Central South University. For the children in the case group, written informed consent was obtained from the children’s parents or legal guardians. For the children in the control group, their parents were solicited through a link to our website, and the front page of the website contained an informed consent for the study. The parents decided whether to agree to participate or reject the invitation.
: Not applicable. No individual-level data are presented within this publication.
: All authors declare that they have no competing interests.
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