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Authors
Tan, Yuxia
Hou, Mei
Ma, Shaochun
Liu, Peipei
Xia, Shungang
Wang, Yu
Chen, Liping
Chen, Zongbo https://orcid.org/0000-0003-0262-4741
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Funding
Funding for this research was provided by:
the Natural Science Fund of China (31640047)
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Article History
Received: 16 February 2018
Accepted: 30 May 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Affiliated Hospital of Qingdao University. Written informed consent for participating in the study was obtained from all the patients’ parents.
: Informed consent was obtained from all subjects’ parents in this study. All the patients’ guardians agree to the publication.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
