Funding for this research was provided by:
Great Ormond Street Hospital Charity (CP_RSRCH_003)
Rosetrees Trust (A2584)
Arthritis Research UK (21791, 20164, 21593)
Received: 5 May 2020
Accepted: 3 September 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: Formal written consent for publication was obtained from the patient’s mother and is available on request.
: Formal written consent for publication was obtained from the patient’s mother.
: The authors declare that they have no competing interests.