Received: 30 April 2019
Accepted: 9 July 2019
First Online: 15 July 2019
Ethics approval and consent to participate
: This article was approved by the ethics committee of the Strasbourg University Hospital (see attached statement).
: Consent for publication was obtained from the parent of the person described in this case report. An institutional consent form was signed and is available.
: The authors declare that they have no competing interests.