1. Department of Paediatric Rheumatology, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
2. Bristol Medical School, University of Bristol, Bristol, UK
3. Bristol Eye Hospital, Bristol, UK
4. School of Clinical Sciences, University of Bristol, Bristol, UK
5. University College London Institute of Ophthalmology and National Institute for Health Research (NIHR) Biomedical Research Centre at Moorfields Eye Hospital and University College London Institute of Ophthalmology, London, UK
6. Department of Biostatistics, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
7. Centre for Health Economics and Medicines Evaluation, Bangor University, Bangor, UK
8. Great Ormond Street Hospital, London, UK
9. Department of Paediatric Rheumatology, Alder Hey Children’s NHS Foundation Trust, Liverpool, UK
10. Department of Women’s and Children’s Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK