Received: 4 September 2018
Accepted: 4 November 2018
First Online: 28 December 2018
Ethics approval and consent to participate
: The study has been approved by the ethics committee of Faculty of Medicine of Fez.An informed consent to participate in the study was obtained from the legal guardians.
: Written informed consent was obtained from the patients’ legal guardians for publication of this study and any accompanying images. A copy of the written consents is available for review by the Editor-in-Chief of this journal.
: The authors declare that they have no competing interests.
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