Qin, Ling
Liu, Hairun
Zhang, Hong
Fu, Yanhong
Li, Dandan
Funding for this research was provided by:
Scientific Research and Technology Development Program of Guangxi (1355005-5-5)
Article History
Received: 10 November 2017
Accepted: 3 December 2018
First Online: 12 December 2018
Ethics approval and consent to participate
: The Ethics Committee of People’s hospital of Guangxi Zhuang autonomous Region has approved this study, all study subjects were agreed to participate in our research after fully explanation and signed the informed consent, while the children under 16-year old were gained the consent from their parents. (1355005–5-5).
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.