1. Department of Pediatrics and Adolescent Medicine, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
2. Institute for Inflammation Research, Department of Rheumatology and Spine Diseases, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
3. Department of Hematology, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
4. Department of Dentistry, University of Copenhagen, Copenhagen, Denmark
5. The Tissue Typing Laboratory, Department of Clinical Immunology, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
6. Institute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark