[1] Inst Child Hlth, Dept Rheumatol, London WC1N 1EH, England
[2] Great Ormond St Hosp Sick Children, Paediat Rheumatol Dept, London, England
[3] Great Ormond St Hosp Sick Children, Dept Audiol, London, England
[4] Great Ormond St Hosp Sick Children, Dept Ophthalmol, London, England
[5] Great Ormond St Hosp Sick Children, Dept Histopathol, London, England