Received: 10 October 2019
Accepted: 13 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: Not applicable. We did not perform any additional scientific studies on the patient. Informed consents were obtained from the patient’s parents on each stage of the diagnostic process according to Polish law.
: The parents have signed informed consent to publish this information, and the proof of consent can be requested at any time.
: The authors declare that they have no competing interests.