Liu, Xiaopo
Dong, Zhijie
Li, Jun
Feng, Yunbo
Cao, Guolong
Song, Xin
Yang, Jie
Article History
Received: 30 August 2019
Accepted: 31 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Tangshan Gongren Hospital and received written consent from all the study participants.
: Written informed consent was obtained from each patients’ parents for the publication of this report and the accompanying images.
: The authors declare that they have no competing interests.