[1] Univ Bristol, Bristol Royal Hosp Children, Bristol, Avon, England
[2] Univ Bristol, Bristol Med Sch, Bristol, Avon, England
[3] Univ Liverpool, Inst Translat Med, Dept Womens & Childrens Hlth, Liverpool, Merseyside, England
[4] Alder Hey Childrens NHS Fdn Trust Hosp, Dept Paediat Rheumatol, Liverpool, Merseyside, England