1. Hans Christian Andersen Children’s Hospital Odense University Hospital Odense Denmark
2. Department of Clinical Research University of Southern Denmark Odense Denmark
3. Department of Pathology Research Unit of Pathology Odense University Hospital Odense Denmark
4. Department of Clinical Immunology Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
5. Department of Paediatrics and Adolescent Medicine Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
6. Institute of Clinical Medicine Faculty of Medicine University of Copenhagen Copenhagen Denmark