Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (EG110/15-1)
Received: 10 March 2020
Accepted: 23 April 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: The study was approved by the ethical committee of the Medical Faculty of the RWTH Aachen University (EK303-18).
: Written informed consent for publication of their clinical details was obtained from the parent of the patient. A copy of the consent form is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.