[1
]Institute of Immunology, University Hospital Muenster, Germany
[2
]Department of Paediatric Rheumatology and Immunology, University Children´s Hospital
Muenster, Muenster, Germany
[3
]Department of Clinical Chemistry Großhadern, University Munich, Munich, Germany
[4
]Department of Pediatric Immunology, University Medical Centre Utrecht, Utrecht, The
Netherlands
[5
]National Institute of Allergy and Infectious Diseases, National Institute of Health,
Bethesda, USA
[6
]2nd Division of Pediatrics , "G. Gaslini" Scientific Institute, Genova, Italy
[7
]Department of Immunology, Dr. Negrín University Hospital, Las Palmas de Gran Canaria,
Spain
[8
]Immunology Department-CDB/IDIBAPS, Hospital Clinic, Barcelona, Spain
[9
]3rd Department of Pediatrics , Athens University Medical Faculty, Athens, Greece
[10
]Service de Génétique Médicale, Centre Hospitalo-Universitaire, Nantes, France
[11
]Department of Pediatrics and Neonatology, Nagoya City University, Nagoya, Japan
[12
]Department of Gastroenterology, Infectious Diseases and Rheumatology, Charité University
Hospital Berlin, Berlin, Germany
[13
]Department of Pediatrics, Stanford University Medical Center, Stanford, LA, USA
[14
]Division of Clinical Immunology and Allergy, Children's Hospital Los Angeles, LA,
USA
[15
]Deutsches Zentrum für Kinder- und Jugendrheumatologie, Garmisch-Patenkirchen, Germany
[16
]Department of Clinical Chemistry, Charing Cross Hospital, London, UK
[17
]Department of Dermatology, University Hospital Muenster, Muenster, Germany
[18
]National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institute
of Health, Bethesda, USA
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