1. Paediatric and Adolescent Medicine, Perinatal Centre, Clinic for Paediatric and Adolescent Medicine, Vivantes Klinikum Berlin
2. Section of Paediatric Rheumatology, Children’s Hospital, Osteology, Immunology and Infectious Diseases, University of Wuerzburg, Germany
3. Istituto Giannina Gaslini, Pediatria II, Reumatologia, Genoa
4. Dipartimento di Pediatria, Università di Napoli Federico II, Naples
5. Klinikum der Universität, von Haunersches Kinderspital, Munich, Germany
6. Rheumatology Unit, Ospedale Pediatrico Bambino Gesù, Rome, Italy
7. Clinic of Paediatric Rheumatology, St. Josef-Stift Hospital, Sendenhorst, Germany
8. Paediatric Rheumatology, Rigshospitalet, Copenhagen, Denmark
9. Skejby Sygehus, Aarhus University Hospital, Aarhus, Denmark
10. Service de rhumatologie pédiatrique, Le Kremlin-Bicêtre University Hospital, Paris-Sud University, Paris, France
11. Dipartimento di Scienze Pediatriche e dell’Adolescenza, University of Torino, Torino, Italy
12. Unita di Immunologia e Reumatologia Pediatrica, Clinica Pediatrica dell’Universita di Brescia, Spedali Civili, Brescia, Italy
13. Paediatric Rheumatology, Hospital Sant Joan de Déu. Universitat de Barcelona, Spain
14. Paediatrics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
15. Centre Multisite Romand de Rhumatologie Pediatrique/Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
16. IMAGINE Institute, Paris-Descartes University, Necker Children’s Hospital, Paris, France
17. Paediatrics and Reproductive Health, Women's and Children's Hospital, Adelaide, South Australia, Australia
18. Department of General Paediatrics, University Children’s Hospital Tübingen, Tübingen, Germany
19. Direzione Scientifica, Istituto Giannina Gaslini, Genoa, Italy