1. Department of Women's & Children's Health, Institute of Life Course and Medical Sciences
2. Centre for Genomic Research, Institute of Infection, Veterinary & Ecological Sciences, University of Liverpool
3. Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust Hospital , Liverpool, UK
4. Teagasc Food Research Centre , Moorepark, Cork, Ireland
5. Institut for Transfusion Medicine, University Ulm , Ulm
6. Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Württemberg—Hessen , Ulm, Germany
7. Department of Rheumatology, Birmingham Children’s Hospital , Birmingham
8. Department of Paediatric Rheumatology, Cambridge University Hospitals , Cambridge
9. Department of Paediatric Rheumatology, Oxford University Hospitals NHS Foundation Trust , Oxford
10. Centre for Adolescent Rheumatology, University College London , London
11. Department of Child Health, University of Glasgow , Glasgow
12. Department of Paediatrics, Bradford Royal Infirmary , Bradford
13. Department of Paediatric Rheumatology, Sheffield Children’s Hospital , Sheffield
14. Department of Paediatric Rheumatology, Southampton General Hospital , Southampton
15. Department of Paediatric Rheumatology, Leeds Children Hospital , Leeds
16. Paediatric Rheumatology, Great North Children’s Hospital, Royal Victoria Infirmary, Institute of Cellular Medicine, Newcastle University , Newcastle upon Tyne
17. Department of Paediatrics, Musgrove Park Hospital , Taunton
18. Department of Paediatric Rheumatology, Great Ormond Street Hospital , London
19. University Hospitals Bristol NHS Foundation Trust & Bristol Medical School, University of Bristol , Bristol
20. Department of Paediatric Rheumatology, Nottingham University Hospitals , Nottingham
21. Department of Paediatric Rheumatology, Royal Manchester Children’s Hospital , Manchester
22. Department of Paediatrics, Leicester Royal Infirmary , Leicester, UK