1. Juvenile Arthritis Research, Tonbridge, UK
2. European Network for Children with Arthritis, Geneva, Switzerland
3. iCAN Ireland, Bansha, Ireland
4. KAISZ, Amsterdam, The Netherlands
5. Pediatric Rheumatology Division, University Hospitals Leuven
6. Department of Microbiology and Immunology, KU Leuven University, Leuven
7. European Reference Network RITA, Brussels, Belgium
8. Department of Pediatric Rheumatology, Wilhelmina Children’s Hospital, UMC Utrecht, Utrecht, The Netherlands
9. Department of Pediatrics Meir Medical Center, Pediatric Rheumatology Unit, Kfar Saba
10. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
11. Paediatric Rheumatology European Society, Geneva, Switzerland