Received: 27 December 2019
Accepted: 12 April 2020
First Online: 7 May 2020
Ethics approval and consent to participate
: Written informed consent to participate was obtained from the parents of the patient. The study was approved by the Regional Committee for Medical Research Ethics – South-East Norway, REK 2010/1152a.
: Written consent for the publication of this case report was obtained by the parents of the patient.
: The authors declare that they have no competing interests.