Received: 3 July 2019
Accepted: 24 September 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: As this was a single patient experimental treatment trial in a palliative setting no ethic approval was required. The patients’ parents gave their informed written consent for the treatment trial.
: The patients’ parents gave their informed consent for the publication of this case report.
: The authors declare that they have no competing interests.