1. Department of Paediatrics and Adolescent Medicine Rigshospitalet, University of Copenhagen Copenhagen Denmark
2. Institute for Inflammation Research Center for Rheumatology and Spine Disease Rigshospitalet, University of Copenhagen Copenhagen Denmark
3. Department of Haematology Rigshospitalet, University of Copenhagen Copenhagen Denmark
4. Department of Growth and Reproduction Rigshospitalet, University of Copenhagen Copenhagen Denmark
5. The Tissue Typing Laboratory Department of Clinical Immunology Rigshospitalet, University of Copenhagen Copenhagen Denmark
6. Institute of Clinical Medicine University of Copenhagen Copenhagen Denmark