[1] National and Kapodestrian University of Athens,Pediatric Rheumatology Unit, 3RD Department of Pediatrics
[2] Medical School,Joint Rheumatology Program, 4TH Department of Medicine
[3] National and Kapodestrian University of Athens,Department of connective tissue disorders in children
[4] Medical School,Pediatric Rheumatology Unit, Pediatric Department
[5] State Institute of Pediatrics,Department of Pediatrics
[6] Obstetrics and Gynecology,Institute of Molecular and Translational Medicine
[7] Academy of Medical Sciences of Ukraine,Pediatric Radiology Department
[8] University Hospital Brno,School of Health Sciences, Faculty of Health and Medicine
[9] Palacky University,School of Health Sciences
[10] Palacky University,Medical Immunology and Microbiology
[11] University Hospital Brno,Pediatrics
[12] University of Newcastle,Pediatric
[13] Queen Margaret University,Pediatric Rheumatology Unit, 3RD Department of Pediatrics
[14] University of Oulu,2nd Department of Dermatology and Venereology
[15] University of Oulu,Clinical Immunology
[16] King Abdulaziz University Hospital,Rheumatology Unit, 2nd Department of Medicine and Laboratory
[17] Facult Of Medicine,Joint Rheumatology Program, 4TH Department of Medicine
[18] Municipal Children’s Polyclinic № 122,Pediatric Rheumatology
[19] I.M. Sechenov First Moscow State Medical University,Department of Women, Child and General and Specialistic Surgery
[20] National and Kapodistrian University of Athens,Paediatric Rheumatology
[21] Medical School,Rheumatology
[22] National and Kapodistrian University of Athens,Neurology
[23] Medical School,Rheumatology
[24] National and Kapodistrian University of Athens,Paediatric Rheumatology
[25] Medical School,Paediatrics
[26] National and Kapodistrian University of Athens,Pediatric Rheumatology
[27] Medical School,Pediatrics
[28] Hospital Infantil de Mexico Federico Gomez,Pediatric Nephrology
[29] Università della Campania Luigi Vanvitelli,Radiology
[30] The Portland Hospital,Pathology
[31] Meyer Children’s Hospital,Ortopedics
[32] The Children’s Hospital of Philadelphia,Pediatric Rheumatology Unit
[33] The Children’s Hospital of Philadelphia,Pediatric Orthopedic Unit
[34] Pediatric Rheumatology,Department of Paediatric Rheumatology
[35] Pediatrician,Child health
[36] Universitary Regional Malaga Hospital,Biostatistics
[37] Universitary Regional Malaga Hospital,Pediatric Rheumatology Unit, 3RD Department of Pediatrics
[38] Erciyes University Faculty of Medicine,Joint Rheumatology Program, 4TH Department of Medicine
[39] Erciyes University Faculty of Medicine,Division of Pediatric Reumatology
[40] Erciyes University Faculty of Medicine,Department of Pediatrics
[41] Erciyes University Faculty of Medicine,Second department of Pediatrics
[42] Erciyes University Faculty of Medicine,Pediatric Rheumatology
[43] Erciyes University Faculty of Medicine,Pediatrics
[44] Institute of Rheumatology,Rheumatology
[45] University Children’s hospital,Pediatrics
[46] School of Medicine,Pediatrics
[47] University of Belgrade,Pediatrics
[48] Karolinska University Hospital,University Department Pro.Sa.M.I. “G. D’Alessandro”
[49] Karolinska University Hospital,Pediatric Rheumatology Unit, Neurofarba Department
[50] Clinical Hospital Center Sestre Milosrdnice,Paediatric Infectious Disease Unit, Children Hospital “G. Di Cristina”