Funding for this research was provided by:
Department of Education of Zhejiang Province (20140127)
Text and Data Mining valid from 2019-07-25
Received: 16 December 2018
Accepted: 19 July 2019
First Online: 25 July 2019
Ethics approval and consent to participate
: This study was approved by the Ethical committee for clinical research of Zhejiang University School of Medicine, Hangzhou, China. Written informed consent to participate in this case study was obtained from the patients’ parents according to the provisions of the Declaration of Helsinki.
: Written informed consent for publication of this case report and accompanying images were obtained from the patients’ parents. Copies of the signed informed consent form are available for review by the Series Editor of BMC Pediatrics.
: The authors declare that they have no competing interests, either financial or non-financial, that could be perceived as prejudicing the impartiality of the research reported.