Wan, Qi
Tang, Jing
Han, Yu
Xiao, Qibin
Deng, Yingping
Article History
Received: 6 November 2017
Accepted: 28 August 2018
First Online: 18 September 2018
Ethics approval and consent to participate
: The ethics committee of leshan hospital approved the study.
: Parental consent for publication was obtained for this report.
: All authors declare that they have no competing interests.
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